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Finding the Fourth Proportional to 548,843.40, 821,709.90 and 492,856.20

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Solution

The fourth proportional to 548,843.40, 821,709.90 and 492,856.20 is: 737,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,843.40 : 821,709.90 = 492,856.20 : x
  2. Step 2: Convert to fraction form
    548,843.40/821,709.90 = 492,856.20/x
  3. Step 3: Cross multiply
    548,843.40x = 821,709.90 × 492,856.20
  4. Step 4: Simplify right side
    548,843.40x = 404,984,818,816.38
  5. Step 5: Solve for x
    x = 404,984,818,816.38/548,843.40
  6. Step 6: Final answer
    x = 737,887.75

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