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Finding the Fourth Proportional to 682,006.80, 941,167.44 and 395,694.48

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Solution

The fourth proportional to 682,006.80, 941,167.44 and 395,694.48 is: 546,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,006.80 : 941,167.44 = 395,694.48 : x
  2. Step 2: Convert to fraction form
    682,006.80/941,167.44 = 395,694.48/x
  3. Step 3: Cross multiply
    682,006.80x = 941,167.44 × 395,694.48
  4. Step 4: Simplify right side
    682,006.80x = 372,414,760,763.73
  5. Step 5: Solve for x
    x = 372,414,760,763.73/682,006.80
  6. Step 6: Final answer
    x = 546,057.25

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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.