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Finding the Fourth Proportional to 311,943.35, 430,486.01 and 175,976.88

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Solution

The fourth proportional to 311,943.35, 430,486.01 and 175,976.88 is: 242,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,943.35 : 430,486.01 = 175,976.88 : x
  2. Step 2: Convert to fraction form
    311,943.35/430,486.01 = 175,976.88/x
  3. Step 3: Cross multiply
    311,943.35x = 430,486.01 × 175,976.88
  4. Step 4: Simplify right side
    311,943.35x = 75,755,584,043.56
  5. Step 5: Solve for x
    x = 75,755,584,043.56/311,943.35
  6. Step 6: Final answer
    x = 242,850.46

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