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Finding the Fourth Proportional to 624,593.82, 861,737.43 and 382,623.90

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Solution

The fourth proportional to 624,593.82, 861,737.43 and 382,623.90 is: 527,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,593.82 : 861,737.43 = 382,623.90 : x
  2. Step 2: Convert to fraction form
    624,593.82/861,737.43 = 382,623.90/x
  3. Step 3: Cross multiply
    624,593.82x = 861,737.43 × 382,623.90
  4. Step 4: Simplify right side
    624,593.82x = 329,721,336,242.58
  5. Step 5: Solve for x
    x = 329,721,336,242.58/624,593.82
  6. Step 6: Final answer
    x = 527,897.21

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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.