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Finding the Fourth Proportional to 444,136.80, 666,205.20 and 311,167.20

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Solution

The fourth proportional to 444,136.80, 666,205.20 and 311,167.20 is: 466,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,136.80 : 666,205.20 = 311,167.20 : x
  2. Step 2: Convert to fraction form
    444,136.80/666,205.20 = 311,167.20/x
  3. Step 3: Cross multiply
    444,136.80x = 666,205.20 × 311,167.20
  4. Step 4: Simplify right side
    444,136.80x = 207,301,206,709.44
  5. Step 5: Solve for x
    x = 207,301,206,709.44/444,136.80
  6. Step 6: Final answer
    x = 466,750.80

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