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Finding the Fourth Proportional to 1,003.96, 1,504.32 and 797.44

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Solution

The fourth proportional to 1,003.96, 1,504.32 and 797.44 is: 1,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003.96 : 1,504.32 = 797.44 : x
  2. Step 2: Convert to fraction form
    1,003.96/1,504.32 = 797.44/x
  3. Step 3: Cross multiply
    1,003.96x = 1,504.32 × 797.44
  4. Step 4: Simplify right side
    1,003.96x = 1,199,604.94
  5. Step 5: Solve for x
    x = 1,199,604.94/1,003.96
  6. Step 6: Final answer
    x = 1,194.87

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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.