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Finding the Fourth Proportional to 431,728.68, 595,787.00 and 240,754.38

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Solution

The fourth proportional to 431,728.68, 595,787.00 and 240,754.38 is: 332,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,728.68 : 595,787.00 = 240,754.38 : x
  2. Step 2: Convert to fraction form
    431,728.68/595,787.00 = 240,754.38/x
  3. Step 3: Cross multiply
    431,728.68x = 595,787.00 × 240,754.38
  4. Step 4: Simplify right side
    431,728.68x = 143,438,326,359.09
  5. Step 5: Solve for x
    x = 143,438,326,359.09/431,728.68
  6. Step 6: Final answer
    x = 332,241.83

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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.