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Finding the Fourth Proportional to 655,265.54, 904,545.38 and 440,530.10

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Solution

The fourth proportional to 655,265.54, 904,545.38 and 440,530.10 is: 608,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,265.54 : 904,545.38 = 440,530.10 : x
  2. Step 2: Convert to fraction form
    655,265.54/904,545.38 = 440,530.10/x
  3. Step 3: Cross multiply
    655,265.54x = 904,545.38 × 440,530.10
  4. Step 4: Simplify right side
    655,265.54x = 398,479,466,705.94
  5. Step 5: Solve for x
    x = 398,479,466,705.94/655,265.54
  6. Step 6: Final answer
    x = 608,119.06

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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.