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Finding the Fourth Proportional to 269,568.80, 404,353.20 and 256,446.80

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Solution

The fourth proportional to 269,568.80, 404,353.20 and 256,446.80 is: 384,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,568.80 : 404,353.20 = 256,446.80 : x
  2. Step 2: Convert to fraction form
    269,568.80/404,353.20 = 256,446.80/x
  3. Step 3: Cross multiply
    269,568.80x = 404,353.20 × 256,446.80
  4. Step 4: Simplify right side
    269,568.80x = 103,695,084,209.76
  5. Step 5: Solve for x
    x = 103,695,084,209.76/269,568.80
  6. Step 6: Final answer
    x = 384,670.20

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