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Finding the Fourth Proportional to 955,908.80, 1,433,863.20 and 822,939.20

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Solution

The fourth proportional to 955,908.80, 1,433,863.20 and 822,939.20 is: 1,234,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,908.80 : 1,433,863.20 = 822,939.20 : x
  2. Step 2: Convert to fraction form
    955,908.80/1,433,863.20 = 822,939.20/x
  3. Step 3: Cross multiply
    955,908.80x = 1,433,863.20 × 822,939.20
  4. Step 4: Simplify right side
    955,908.80x = 1,179,982,234,717.44
  5. Step 5: Solve for x
    x = 1,179,982,234,717.44/955,908.80
  6. Step 6: Final answer
    x = 1,234,408.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.