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Finding the Fourth Proportional to 396,601.68, 547,107.42 and 253,210.96

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Solution

The fourth proportional to 396,601.68, 547,107.42 and 253,210.96 is: 349,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,601.68 : 547,107.42 = 253,210.96 : x
  2. Step 2: Convert to fraction form
    396,601.68/547,107.42 = 253,210.96/x
  3. Step 3: Cross multiply
    396,601.68x = 547,107.42 × 253,210.96
  4. Step 4: Simplify right side
    396,601.68x = 138,533,595,041.32
  5. Step 5: Solve for x
    x = 138,533,595,041.32/396,601.68
  6. Step 6: Final answer
    x = 349,301.58

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