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Finding the Fourth Proportional to 353,649.36, 488,139.18 and 231,159.54

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Solution

The fourth proportional to 353,649.36, 488,139.18 and 231,159.54 is: 319,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,649.36 : 488,139.18 = 231,159.54 : x
  2. Step 2: Convert to fraction form
    353,649.36/488,139.18 = 231,159.54/x
  3. Step 3: Cross multiply
    353,649.36x = 488,139.18 × 231,159.54
  4. Step 4: Simplify right side
    353,649.36x = 112,838,028,304.78
  5. Step 5: Solve for x
    x = 112,838,028,304.78/353,649.36
  6. Step 6: Final answer
    x = 319,067.53

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