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Finding the Fourth Proportional to 444,794.80, 667,192.20 and 411,989.80

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Solution

The fourth proportional to 444,794.80, 667,192.20 and 411,989.80 is: 617,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,794.80 : 667,192.20 = 411,989.80 : x
  2. Step 2: Convert to fraction form
    444,794.80/667,192.20 = 411,989.80/x
  3. Step 3: Cross multiply
    444,794.80x = 667,192.20 × 411,989.80
  4. Step 4: Simplify right side
    444,794.80x = 274,876,381,039.56
  5. Step 5: Solve for x
    x = 274,876,381,039.56/444,794.80
  6. Step 6: Final answer
    x = 617,984.70

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