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Finding the Fourth Proportional to 624,351.78, 861,611.54 and 337,877.82

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Solution

The fourth proportional to 624,351.78, 861,611.54 and 337,877.82 is: 466,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,351.78 : 861,611.54 = 337,877.82 : x
  2. Step 2: Convert to fraction form
    624,351.78/861,611.54 = 337,877.82/x
  3. Step 3: Cross multiply
    624,351.78x = 861,611.54 × 337,877.82
  4. Step 4: Simplify right side
    624,351.78x = 291,119,427,132.65
  5. Step 5: Solve for x
    x = 291,119,427,132.65/624,351.78
  6. Step 6: Final answer
    x = 466,274.68

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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.