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Finding the Fourth Proportional to 329,531.86, 493,958.39 and 129,771.28

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Solution

The fourth proportional to 329,531.86, 493,958.39 and 129,771.28 is: 194,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,531.86 : 493,958.39 = 129,771.28 : x
  2. Step 2: Convert to fraction form
    329,531.86/493,958.39 = 129,771.28/x
  3. Step 3: Cross multiply
    329,531.86x = 493,958.39 × 129,771.28
  4. Step 4: Simplify right side
    329,531.86x = 64,101,612,537.04
  5. Step 5: Solve for x
    x = 64,101,612,537.04/329,531.86
  6. Step 6: Final answer
    x = 194,523.26

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