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Finding the Fourth Proportional to 337,975.44, 506,781.31 and 135,469.90

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Solution

The fourth proportional to 337,975.44, 506,781.31 and 135,469.90 is: 203,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,975.44 : 506,781.31 = 135,469.90 : x
  2. Step 2: Convert to fraction form
    337,975.44/506,781.31 = 135,469.90/x
  3. Step 3: Cross multiply
    337,975.44x = 506,781.31 × 135,469.90
  4. Step 4: Simplify right side
    337,975.44x = 68,653,613,387.57
  5. Step 5: Solve for x
    x = 68,653,613,387.57/337,975.44
  6. Step 6: Final answer
    x = 203,131.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.