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Finding the Fourth Proportional to 624,357.62, 861,615.66 and 337,877.63

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Solution

The fourth proportional to 624,357.62, 861,615.66 and 337,877.63 is: 466,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,357.62 : 861,615.66 = 337,877.63 : x
  2. Step 2: Convert to fraction form
    624,357.62/861,615.66 = 337,877.63/x
  3. Step 3: Cross multiply
    624,357.62x = 861,615.66 × 337,877.63
  4. Step 4: Simplify right side
    624,357.62x = 291,120,652,863.61
  5. Step 5: Solve for x
    x = 291,120,652,863.61/624,357.62
  6. Step 6: Final answer
    x = 466,272.29

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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.