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Finding the Fourth Proportional to 624,064.15, 861,207.66 and 337,584.47

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Solution

The fourth proportional to 624,064.15, 861,207.66 and 337,584.47 is: 465,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,064.15 : 861,207.66 = 337,584.47 : x
  2. Step 2: Convert to fraction form
    624,064.15/861,207.66 = 337,584.47/x
  3. Step 3: Cross multiply
    624,064.15x = 861,207.66 × 337,584.47
  4. Step 4: Simplify right side
    624,064.15x = 290,730,327,155.00
  5. Step 5: Solve for x
    x = 290,730,327,155.00/624,064.15
  6. Step 6: Final answer
    x = 465,866.09

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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.