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Finding the Fourth Proportional to 392,679.06, 588,473.62 and 178,924.59

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Solution

The fourth proportional to 392,679.06, 588,473.62 and 178,924.59 is: 268,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,679.06 : 588,473.62 = 178,924.59 : x
  2. Step 2: Convert to fraction form
    392,679.06/588,473.62 = 178,924.59/x
  3. Step 3: Cross multiply
    392,679.06x = 588,473.62 × 178,924.59
  4. Step 4: Simplify right side
    392,679.06x = 105,292,398,241.95
  5. Step 5: Solve for x
    x = 105,292,398,241.95/392,679.06
  6. Step 6: Final answer
    x = 268,138.56

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