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Finding the Fourth Proportional to 576,023.20, 864,034.80 and 398,876.20

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Solution

The fourth proportional to 576,023.20, 864,034.80 and 398,876.20 is: 598,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,023.20 : 864,034.80 = 398,876.20 : x
  2. Step 2: Convert to fraction form
    576,023.20/864,034.80 = 398,876.20/x
  3. Step 3: Cross multiply
    576,023.20x = 864,034.80 × 398,876.20
  4. Step 4: Simplify right side
    576,023.20x = 344,642,917,691.76
  5. Step 5: Solve for x
    x = 344,642,917,691.76/576,023.20
  6. Step 6: Final answer
    x = 598,314.30

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