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Finding the Fourth Proportional to 624,153.91, 861,338.63 and 337,680.15

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Solution

The fourth proportional to 624,153.91, 861,338.63 and 337,680.15 is: 466,001.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,153.91 : 861,338.63 = 337,680.15 : x
  2. Step 2: Convert to fraction form
    624,153.91/861,338.63 = 337,680.15/x
  3. Step 3: Cross multiply
    624,153.91x = 861,338.63 × 337,680.15
  4. Step 4: Simplify right side
    624,153.91x = 290,856,957,779.20
  5. Step 5: Solve for x
    x = 290,856,957,779.20/624,153.91
  6. Step 6: Final answer
    x = 466,001.98

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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.