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Finding the Fourth Proportional to 381,816.20, 572,724.30 and 224,352.20

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Solution

The fourth proportional to 381,816.20, 572,724.30 and 224,352.20 is: 336,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,816.20 : 572,724.30 = 224,352.20 : x
  2. Step 2: Convert to fraction form
    381,816.20/572,724.30 = 224,352.20/x
  3. Step 3: Cross multiply
    381,816.20x = 572,724.30 × 224,352.20
  4. Step 4: Simplify right side
    381,816.20x = 128,491,956,698.46
  5. Step 5: Solve for x
    x = 128,491,956,698.46/381,816.20
  6. Step 6: Final answer
    x = 336,528.30

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