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Finding the Fourth Proportional to 337,459.56, 505,997.64 and 137,545.80

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Solution

The fourth proportional to 337,459.56, 505,997.64 and 137,545.80 is: 206,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,459.56 : 505,997.64 = 137,545.80 : x
  2. Step 2: Convert to fraction form
    337,459.56/505,997.64 = 137,545.80/x
  3. Step 3: Cross multiply
    337,459.56x = 505,997.64 × 137,545.80
  4. Step 4: Simplify right side
    337,459.56x = 69,597,850,191.91
  5. Step 5: Solve for x
    x = 69,597,850,191.91/337,459.56
  6. Step 6: Final answer
    x = 206,240.56

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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.