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Finding the Fourth Proportional to 269,687.80, 404,531.70 and 239,620.60

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Solution

The fourth proportional to 269,687.80, 404,531.70 and 239,620.60 is: 359,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,687.80 : 404,531.70 = 239,620.60 : x
  2. Step 2: Convert to fraction form
    269,687.80/404,531.70 = 239,620.60/x
  3. Step 3: Cross multiply
    269,687.80x = 404,531.70 × 239,620.60
  4. Step 4: Simplify right side
    269,687.80x = 96,934,128,673.02
  5. Step 5: Solve for x
    x = 96,934,128,673.02/269,687.80
  6. Step 6: Final answer
    x = 359,430.90

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