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Finding the Fourth Proportional to 735.35, 1,103.12 and 248.27

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Solution

The fourth proportional to 735.35, 1,103.12 and 248.27 is: 372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.35 : 1,103.12 = 248.27 : x
  2. Step 2: Convert to fraction form
    735.35/1,103.12 = 248.27/x
  3. Step 3: Cross multiply
    735.35x = 1,103.12 × 248.27
  4. Step 4: Simplify right side
    735.35x = 273,865.78
  5. Step 5: Solve for x
    x = 273,865.78/735.35
  6. Step 6: Final answer
    x = 372.43

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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.