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Finding the Fourth Proportional to 624,217.64, 861,420.33 and 337,737.73

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Solution

The fourth proportional to 624,217.64, 861,420.33 and 337,737.73 is: 466,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,217.64 : 861,420.33 = 337,737.73 : x
  2. Step 2: Convert to fraction form
    624,217.64/861,420.33 = 337,737.73/x
  3. Step 3: Cross multiply
    624,217.64x = 861,420.33 × 337,737.73
  4. Step 4: Simplify right side
    624,217.64x = 290,934,142,522.95
  5. Step 5: Solve for x
    x = 290,934,142,522.95/624,217.64
  6. Step 6: Final answer
    x = 466,078.05

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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.