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Finding the Fourth Proportional to 411,617.62, 617,499.87 and 145,532.62

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Solution

The fourth proportional to 411,617.62, 617,499.87 and 145,532.62 is: 218,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,617.62 : 617,499.87 = 145,532.62 : x
  2. Step 2: Convert to fraction form
    411,617.62/617,499.87 = 145,532.62/x
  3. Step 3: Cross multiply
    411,617.62x = 617,499.87 × 145,532.62
  4. Step 4: Simplify right side
    411,617.62x = 89,866,373,930.76
  5. Step 5: Solve for x
    x = 89,866,373,930.76/411,617.62
  6. Step 6: Final answer
    x = 218,324.90

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