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Finding the Fourth Proportional to 337,728.32, 506,791.40 and 124,646.24

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Solution

The fourth proportional to 337,728.32, 506,791.40 and 124,646.24 is: 187,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,728.32 : 506,791.40 = 124,646.24 : x
  2. Step 2: Convert to fraction form
    337,728.32/506,791.40 = 124,646.24/x
  3. Step 3: Cross multiply
    337,728.32x = 506,791.40 × 124,646.24
  4. Step 4: Simplify right side
    337,728.32x = 63,169,642,474.34
  5. Step 5: Solve for x
    x = 63,169,642,474.34/337,728.32
  6. Step 6: Final answer
    x = 187,042.78

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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.