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Finding the Fourth Proportional to 422,060.59, 582,443.34 and 231,073.93

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Solution

The fourth proportional to 422,060.59, 582,443.34 and 231,073.93 is: 318,881.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,060.59 : 582,443.34 = 231,073.93 : x
  2. Step 2: Convert to fraction form
    422,060.59/582,443.34 = 231,073.93/x
  3. Step 3: Cross multiply
    422,060.59x = 582,443.34 × 231,073.93
  4. Step 4: Simplify right side
    422,060.59x = 134,587,468,663.91
  5. Step 5: Solve for x
    x = 134,587,468,663.91/422,060.59
  6. Step 6: Final answer
    x = 318,881.87

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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.