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Finding the Fourth Proportional to 469,732.62, 648,399.12 and 278,745.96

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Solution

The fourth proportional to 469,732.62, 648,399.12 and 278,745.96 is: 384,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,732.62 : 648,399.12 = 278,745.96 : x
  2. Step 2: Convert to fraction form
    469,732.62/648,399.12 = 278,745.96/x
  3. Step 3: Cross multiply
    469,732.62x = 648,399.12 × 278,745.96
  4. Step 4: Simplify right side
    469,732.62x = 180,738,635,167.56
  5. Step 5: Solve for x
    x = 180,738,635,167.56/469,732.62
  6. Step 6: Final answer
    x = 384,769.18

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