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Finding the Fourth Proportional to 422,095.86, 582,469.92 and 231,072.48

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Solution

The fourth proportional to 422,095.86, 582,469.92 and 231,072.48 is: 318,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,095.86 : 582,469.92 = 231,072.48 : x
  2. Step 2: Convert to fraction form
    422,095.86/582,469.92 = 231,072.48/x
  3. Step 3: Cross multiply
    422,095.86x = 582,469.92 × 231,072.48
  4. Step 4: Simplify right side
    422,095.86x = 134,592,768,939.80
  5. Step 5: Solve for x
    x = 134,592,768,939.80/422,095.86
  6. Step 6: Final answer
    x = 318,867.78

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