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Finding the Fourth Proportional to 820,382.22, 1,230,568.17 and 441,481.44

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Solution

The fourth proportional to 820,382.22, 1,230,568.17 and 441,481.44 is: 662,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,382.22 : 1,230,568.17 = 441,481.44 : x
  2. Step 2: Convert to fraction form
    820,382.22/1,230,568.17 = 441,481.44/x
  3. Step 3: Cross multiply
    820,382.22x = 1,230,568.17 × 441,481.44
  4. Step 4: Simplify right side
    820,382.22x = 543,273,001,556.92
  5. Step 5: Solve for x
    x = 543,273,001,556.92/820,382.22
  6. Step 6: Final answer
    x = 662,219.37

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