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Finding the Fourth Proportional to 298,617.70, 447,926.55 and 132,405.70

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Solution

The fourth proportional to 298,617.70, 447,926.55 and 132,405.70 is: 198,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,617.70 : 447,926.55 = 132,405.70 : x
  2. Step 2: Convert to fraction form
    298,617.70/447,926.55 = 132,405.70/x
  3. Step 3: Cross multiply
    298,617.70x = 447,926.55 × 132,405.70
  4. Step 4: Simplify right side
    298,617.70x = 59,308,028,401.34
  5. Step 5: Solve for x
    x = 59,308,028,401.34/298,617.70
  6. Step 6: Final answer
    x = 198,608.55

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