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Finding the Fourth Proportional to 339,422.38, 468,387.73 and 203,531.31

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Solution

The fourth proportional to 339,422.38, 468,387.73 and 203,531.31 is: 280,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,422.38 : 468,387.73 = 203,531.31 : x
  2. Step 2: Convert to fraction form
    339,422.38/468,387.73 = 203,531.31/x
  3. Step 3: Cross multiply
    339,422.38x = 468,387.73 × 203,531.31
  4. Step 4: Simplify right side
    339,422.38x = 95,331,568,274.83
  5. Step 5: Solve for x
    x = 95,331,568,274.83/339,422.38
  6. Step 6: Final answer
    x = 280,864.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.