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Finding the Fourth Proportional to 402,631.97, 603,505.05 and 165,845.48

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Solution

The fourth proportional to 402,631.97, 603,505.05 and 165,845.48 is: 248,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,631.97 : 603,505.05 = 165,845.48 : x
  2. Step 2: Convert to fraction form
    402,631.97/603,505.05 = 165,845.48/x
  3. Step 3: Cross multiply
    402,631.97x = 603,505.05 × 165,845.48
  4. Step 4: Simplify right side
    402,631.97x = 100,088,581,682.15
  5. Step 5: Solve for x
    x = 100,088,581,682.15/402,631.97
  6. Step 6: Final answer
    x = 248,585.78

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