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Finding the Fourth Proportional to 331,232.80, 496,606.20 and 131,454.40

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Solution

The fourth proportional to 331,232.80, 496,606.20 and 131,454.40 is: 197,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,232.80 : 496,606.20 = 131,454.40 : x
  2. Step 2: Convert to fraction form
    331,232.80/496,606.20 = 131,454.40/x
  3. Step 3: Cross multiply
    331,232.80x = 496,606.20 × 131,454.40
  4. Step 4: Simplify right side
    331,232.80x = 65,281,070,057.28
  5. Step 5: Solve for x
    x = 65,281,070,057.28/331,232.80
  6. Step 6: Final answer
    x = 197,085.16

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