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Finding the Fourth Proportional to 986,791.92, 1,361,805.87 and 604,744.92

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Solution

The fourth proportional to 986,791.92, 1,361,805.87 and 604,744.92 is: 834,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,791.92 : 1,361,805.87 = 604,744.92 : x
  2. Step 2: Convert to fraction form
    986,791.92/1,361,805.87 = 604,744.92/x
  3. Step 3: Cross multiply
    986,791.92x = 1,361,805.87 × 604,744.92
  4. Step 4: Simplify right side
    986,791.92x = 823,545,181,908.68
  5. Step 5: Solve for x
    x = 823,545,181,908.68/986,791.92
  6. Step 6: Final answer
    x = 834,568.23

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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.