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300 increased by 50% = 450

300 increased by 50 percent is 450. Step-by-step solution with the formula and worked example.

300 increased by 50% = 450
increased by %

Solution: 300 increased by 50 percent

Increase = 50% × 300 = 150
Result = 300 + 150 = 450

Step-by-step explanation

  1. Find the increase: 50% of 300 = 150.
  2. Add it to the original: 300 + 150 = 450.
  3. Shortcut: multiply by (1 + 50/100) = ×1.5.

Good to know

Shortcut: increasing by 50% is the same as multiplying by 1.5 (that is 100% + 50%). So 300 × 1.5 = 450 in a single step — handy for adding tax, interest or a markup.

Frequently asked questions

300 increased by 50 percent
300 increased by 50% = 450.

How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.

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