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Finding the Fourth Proportional to 239,326.25, 330,354.81 and 213,788.27

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Solution

The fourth proportional to 239,326.25, 330,354.81 and 213,788.27 is: 295,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,326.25 : 330,354.81 = 213,788.27 : x
  2. Step 2: Convert to fraction form
    239,326.25/330,354.81 = 213,788.27/x
  3. Step 3: Cross multiply
    239,326.25x = 330,354.81 × 213,788.27
  4. Step 4: Simplify right side
    239,326.25x = 70,625,981,664.30
  5. Step 5: Solve for x
    x = 70,625,981,664.30/239,326.25
  6. Step 6: Final answer
    x = 295,103.36

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