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Finding the Fourth Proportional to 422,073.14, 582,516.36 and 240,743.43

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Solution

The fourth proportional to 422,073.14, 582,516.36 and 240,743.43 is: 332,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,073.14 : 582,516.36 = 240,743.43 : x
  2. Step 2: Convert to fraction form
    422,073.14/582,516.36 = 240,743.43/x
  3. Step 3: Cross multiply
    422,073.14x = 582,516.36 × 240,743.43
  4. Step 4: Simplify right side
    422,073.14x = 140,236,986,537.52
  5. Step 5: Solve for x
    x = 140,236,986,537.52/422,073.14
  6. Step 6: Final answer
    x = 332,257.55

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