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Finding the Fourth Proportional to 609,269.61, 840,818.34 and 337,337.52

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Solution

The fourth proportional to 609,269.61, 840,818.34 and 337,337.52 is: 465,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,269.61 : 840,818.34 = 337,337.52 : x
  2. Step 2: Convert to fraction form
    609,269.61/840,818.34 = 337,337.52/x
  3. Step 3: Cross multiply
    609,269.61x = 840,818.34 × 337,337.52
  4. Step 4: Simplify right side
    609,269.61x = 283,639,572,321.10
  5. Step 5: Solve for x
    x = 283,639,572,321.10/609,269.61
  6. Step 6: Final answer
    x = 465,540.33

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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.