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Finding the Fourth Proportional to 888,382.44, 1,225,969.38 and 485,974.44

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Solution

The fourth proportional to 888,382.44, 1,225,969.38 and 485,974.44 is: 670,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,382.44 : 1,225,969.38 = 485,974.44 : x
  2. Step 2: Convert to fraction form
    888,382.44/1,225,969.38 = 485,974.44/x
  3. Step 3: Cross multiply
    888,382.44x = 1,225,969.38 × 485,974.44
  4. Step 4: Simplify right side
    888,382.44x = 595,789,782,902.65
  5. Step 5: Solve for x
    x = 595,789,782,902.65/888,382.44
  6. Step 6: Final answer
    x = 670,645.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.