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Finding the Fourth Proportional to 413,965.38, 621,189 and 174,061.90

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Solution

The fourth proportional to 413,965.38, 621,189 and 174,061.90 is: 261,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,965.38 : 621,189 = 174,061.90 : x
  2. Step 2: Convert to fraction form
    413,965.38/621,189 = 174,061.90/x
  3. Step 3: Cross multiply
    413,965.38x = 621,189 × 174,061.90
  4. Step 4: Simplify right side
    413,965.38x = 108,125,337,599.10
  5. Step 5: Solve for x
    x = 108,125,337,599.10/413,965.38
  6. Step 6: Final answer
    x = 261,194.15

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