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Finding the Fourth Proportional to 447,196.67, 670,799.87 and 131,659.55

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Solution

The fourth proportional to 447,196.67, 670,799.87 and 131,659.55 is: 197,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,196.67 : 670,799.87 = 131,659.55 : x
  2. Step 2: Convert to fraction form
    447,196.67/670,799.87 = 131,659.55/x
  3. Step 3: Cross multiply
    447,196.67x = 670,799.87 × 131,659.55
  4. Step 4: Simplify right side
    447,196.67x = 88,317,209,024.26
  5. Step 5: Solve for x
    x = 88,317,209,024.26/447,196.67
  6. Step 6: Final answer
    x = 197,490.76

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