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Finding the Fourth Proportional to 272,028.40, 408,042.60 and 231,787.60

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Solution

The fourth proportional to 272,028.40, 408,042.60 and 231,787.60 is: 347,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,028.40 : 408,042.60 = 231,787.60 : x
  2. Step 2: Convert to fraction form
    272,028.40/408,042.60 = 231,787.60/x
  3. Step 3: Cross multiply
    272,028.40x = 408,042.60 × 231,787.60
  4. Step 4: Simplify right side
    272,028.40x = 94,579,214,951.76
  5. Step 5: Solve for x
    x = 94,579,214,951.76/272,028.40
  6. Step 6: Final answer
    x = 347,681.40

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