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Finding the Fourth Proportional to 844.22, 1,266.46 and 357.27

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Solution

The fourth proportional to 844.22, 1,266.46 and 357.27 is: 535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.22 : 1,266.46 = 357.27 : x
  2. Step 2: Convert to fraction form
    844.22/1,266.46 = 357.27/x
  3. Step 3: Cross multiply
    844.22x = 1,266.46 × 357.27
  4. Step 4: Simplify right side
    844.22x = 452,467.27
  5. Step 5: Solve for x
    x = 452,467.27/844.22
  6. Step 6: Final answer
    x = 535.96

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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.