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Finding the Fourth Proportional to 431,866.26, 595,976.10 and 240,891.87

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Solution

The fourth proportional to 431,866.26, 595,976.10 and 240,891.87 is: 332,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,866.26 : 595,976.10 = 240,891.87 : x
  2. Step 2: Convert to fraction form
    431,866.26/595,976.10 = 240,891.87/x
  3. Step 3: Cross multiply
    431,866.26x = 595,976.10 × 240,891.87
  4. Step 4: Simplify right side
    431,866.26x = 143,565,797,204.31
  5. Step 5: Solve for x
    x = 143,565,797,204.31/431,866.26
  6. Step 6: Final answer
    x = 332,431.15

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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.