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Finding the Fourth Proportional to 492,057.80, 738,149.22 and 192,499.97

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Solution

The fourth proportional to 492,057.80, 738,149.22 and 192,499.97 is: 288,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,057.80 : 738,149.22 = 192,499.97 : x
  2. Step 2: Convert to fraction form
    492,057.80/738,149.22 = 192,499.97/x
  3. Step 3: Cross multiply
    492,057.80x = 738,149.22 × 192,499.97
  4. Step 4: Simplify right side
    492,057.80x = 142,093,702,705.52
  5. Step 5: Solve for x
    x = 142,093,702,705.52/492,057.80
  6. Step 6: Final answer
    x = 288,774.41

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