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Finding the Fourth Proportional to 656,227.46, 984,423.28 and 256,816.64

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Solution

The fourth proportional to 656,227.46, 984,423.28 and 256,816.64 is: 385,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,227.46 : 984,423.28 = 256,816.64 : x
  2. Step 2: Convert to fraction form
    656,227.46/984,423.28 = 256,816.64/x
  3. Step 3: Cross multiply
    656,227.46x = 984,423.28 × 256,816.64
  4. Step 4: Simplify right side
    656,227.46x = 252,816,279,107.38
  5. Step 5: Solve for x
    x = 252,816,279,107.38/656,227.46
  6. Step 6: Final answer
    x = 385,257.09

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