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Finding the Fourth Proportional to 337,481.80, 506,222.70 and 137,735.80

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Solution

The fourth proportional to 337,481.80, 506,222.70 and 137,735.80 is: 206,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,481.80 : 506,222.70 = 137,735.80 : x
  2. Step 2: Convert to fraction form
    337,481.80/506,222.70 = 137,735.80/x
  3. Step 3: Cross multiply
    337,481.80x = 506,222.70 × 137,735.80
  4. Step 4: Simplify right side
    337,481.80x = 69,724,988,562.66
  5. Step 5: Solve for x
    x = 69,724,988,562.66/337,481.80
  6. Step 6: Final answer
    x = 206,603.70

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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.