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Finding the Fourth Proportional to 624,352.71, 861,608.91 and 337,872.72

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Solution

The fourth proportional to 624,352.71, 861,608.91 and 337,872.72 is: 466,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,352.71 : 861,608.91 = 337,872.72 : x
  2. Step 2: Convert to fraction form
    624,352.71/861,608.91 = 337,872.72/x
  3. Step 3: Cross multiply
    624,352.71x = 861,608.91 × 337,872.72
  4. Step 4: Simplify right side
    624,352.71x = 291,114,145,997.94
  5. Step 5: Solve for x
    x = 291,114,145,997.94/624,352.71
  6. Step 6: Final answer
    x = 466,265.53

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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.