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Finding the Fourth Proportional to 844.28, 1,263.07 and 792.44

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Solution

The fourth proportional to 844.28, 1,263.07 and 792.44 is: 1,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.28 : 1,263.07 = 792.44 : x
  2. Step 2: Convert to fraction form
    844.28/1,263.07 = 792.44/x
  3. Step 3: Cross multiply
    844.28x = 1,263.07 × 792.44
  4. Step 4: Simplify right side
    844.28x = 1,000,896.91
  5. Step 5: Solve for x
    x = 1,000,896.91/844.28
  6. Step 6: Final answer
    x = 1,185.51

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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.