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Finding the Fourth Proportional to 331,697.60, 497,546.40 and 132,005.60

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Solution

The fourth proportional to 331,697.60, 497,546.40 and 132,005.60 is: 198,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,697.60 : 497,546.40 = 132,005.60 : x
  2. Step 2: Convert to fraction form
    331,697.60/497,546.40 = 132,005.60/x
  3. Step 3: Cross multiply
    331,697.60x = 497,546.40 × 132,005.60
  4. Step 4: Simplify right side
    331,697.60x = 65,678,911,059.84
  5. Step 5: Solve for x
    x = 65,678,911,059.84/331,697.60
  6. Step 6: Final answer
    x = 198,008.40

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