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Finding the Fourth Proportional to 624,351.54, 861,611.20 and 337,877.58

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Solution

The fourth proportional to 624,351.54, 861,611.20 and 337,877.58 is: 466,274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,351.54 : 861,611.20 = 337,877.58 : x
  2. Step 2: Convert to fraction form
    624,351.54/861,611.20 = 337,877.58/x
  3. Step 3: Cross multiply
    624,351.54x = 861,611.20 × 337,877.58
  4. Step 4: Simplify right side
    624,351.54x = 291,119,107,156.90
  5. Step 5: Solve for x
    x = 291,119,107,156.90/624,351.54
  6. Step 6: Final answer
    x = 466,274.35

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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.