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Finding the Fourth Proportional to 337,712.44, 506,569.25 and 138,032.65

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Solution

The fourth proportional to 337,712.44, 506,569.25 and 138,032.65 is: 207,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,712.44 : 506,569.25 = 138,032.65 : x
  2. Step 2: Convert to fraction form
    337,712.44/506,569.25 = 138,032.65/x
  3. Step 3: Cross multiply
    337,712.44x = 506,569.25 × 138,032.65
  4. Step 4: Simplify right side
    337,712.44x = 69,923,095,986.01
  5. Step 5: Solve for x
    x = 69,923,095,986.01/337,712.44
  6. Step 6: Final answer
    x = 207,049.22

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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.