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Finding the Fourth Proportional to 337,512.31, 506,268.95 and 137,832.69

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Solution

The fourth proportional to 337,512.31, 506,268.95 and 137,832.69 is: 206,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,512.31 : 506,268.95 = 137,832.69 : x
  2. Step 2: Convert to fraction form
    337,512.31/506,268.95 = 137,832.69/x
  3. Step 3: Cross multiply
    337,512.31x = 506,268.95 × 137,832.69
  4. Step 4: Simplify right side
    337,512.31x = 69,780,412,507.65
  5. Step 5: Solve for x
    x = 69,780,412,507.65/337,512.31
  6. Step 6: Final answer
    x = 206,749.24

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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.