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Finding the Fourth Proportional to 422,282.32, 582,743.03 and 240,989.59

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Solution

The fourth proportional to 422,282.32, 582,743.03 and 240,989.59 is: 332,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,282.32 : 582,743.03 = 240,989.59 : x
  2. Step 2: Convert to fraction form
    422,282.32/582,743.03 = 240,989.59/x
  3. Step 3: Cross multiply
    422,282.32x = 582,743.03 × 240,989.59
  4. Step 4: Simplify right side
    422,282.32x = 140,435,003,020.67
  5. Step 5: Solve for x
    x = 140,435,003,020.67/422,282.32
  6. Step 6: Final answer
    x = 332,561.88

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