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Finding the Fourth Proportional to 422,060.34, 582,443.00 and 231,073.68

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Solution

The fourth proportional to 422,060.34, 582,443.00 and 231,073.68 is: 318,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,060.34 : 582,443.00 = 231,073.68 : x
  2. Step 2: Convert to fraction form
    422,060.34/582,443.00 = 231,073.68/x
  3. Step 3: Cross multiply
    422,060.34x = 582,443.00 × 231,073.68
  4. Step 4: Simplify right side
    422,060.34x = 134,587,243,332.66
  5. Step 5: Solve for x
    x = 134,587,243,332.66/422,060.34
  6. Step 6: Final answer
    x = 318,881.53

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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.