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Finding the Fourth Proportional to 399,843.43, 599,796.12 and 133,604.88

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Solution

The fourth proportional to 399,843.43, 599,796.12 and 133,604.88 is: 200,417.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,843.43 : 599,796.12 = 133,604.88 : x
  2. Step 2: Convert to fraction form
    399,843.43/599,796.12 = 133,604.88/x
  3. Step 3: Cross multiply
    399,843.43x = 599,796.12 × 133,604.88
  4. Step 4: Simplify right side
    399,843.43x = 80,135,688,637.07
  5. Step 5: Solve for x
    x = 80,135,688,637.07/399,843.43
  6. Step 6: Final answer
    x = 200,417.67

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