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Finding the Fourth Proportional to 624,187.60, 861,379.08 and 337,707.52

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Solution

The fourth proportional to 624,187.60, 861,379.08 and 337,707.52 is: 466,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,187.60 : 861,379.08 = 337,707.52 : x
  2. Step 2: Convert to fraction form
    624,187.60/861,379.08 = 337,707.52/x
  3. Step 3: Cross multiply
    624,187.60x = 861,379.08 × 337,707.52
  4. Step 4: Simplify right side
    624,187.60x = 290,894,192,886.68
  5. Step 5: Solve for x
    x = 290,894,192,886.68/624,187.60
  6. Step 6: Final answer
    x = 466,036.48

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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.