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Finding the Fourth Proportional to 662,624.22, 914,397.20 and 404,932.49

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Solution

The fourth proportional to 662,624.22, 914,397.20 and 404,932.49 is: 558,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,624.22 : 914,397.20 = 404,932.49 : x
  2. Step 2: Convert to fraction form
    662,624.22/914,397.20 = 404,932.49/x
  3. Step 3: Cross multiply
    662,624.22x = 914,397.20 × 404,932.49
  4. Step 4: Simplify right side
    662,624.22x = 370,269,135,045.03
  5. Step 5: Solve for x
    x = 370,269,135,045.03/662,624.22
  6. Step 6: Final answer
    x = 558,792.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.