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Finding the Fourth Proportional to 407,080.67, 561,838.58 and 225,850.96

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Solution

The fourth proportional to 407,080.67, 561,838.58 and 225,850.96 is: 311,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,080.67 : 561,838.58 = 225,850.96 : x
  2. Step 2: Convert to fraction form
    407,080.67/561,838.58 = 225,850.96/x
  3. Step 3: Cross multiply
    407,080.67x = 561,838.58 × 225,850.96
  4. Step 4: Simplify right side
    407,080.67x = 126,891,781,528.78
  5. Step 5: Solve for x
    x = 126,891,781,528.78/407,080.67
  6. Step 6: Final answer
    x = 311,711.64

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