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Finding the Fourth Proportional to 735.26, 1,103.05 and 248.28

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Solution

The fourth proportional to 735.26, 1,103.05 and 248.28 is: 372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.26 : 1,103.05 = 248.28 : x
  2. Step 2: Convert to fraction form
    735.26/1,103.05 = 248.28/x
  3. Step 3: Cross multiply
    735.26x = 1,103.05 × 248.28
  4. Step 4: Simplify right side
    735.26x = 273,864.63
  5. Step 5: Solve for x
    x = 273,864.63/735.26
  6. Step 6: Final answer
    x = 372.48

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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.