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Finding the Fourth Proportional to 735.44, 1,103.07 and 248.48

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Solution

The fourth proportional to 735.44, 1,103.07 and 248.48 is: 372.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.44 : 1,103.07 = 248.48 : x
  2. Step 2: Convert to fraction form
    735.44/1,103.07 = 248.48/x
  3. Step 3: Cross multiply
    735.44x = 1,103.07 × 248.48
  4. Step 4: Simplify right side
    735.44x = 274,085.32
  5. Step 5: Solve for x
    x = 274,085.32/735.44
  6. Step 6: Final answer
    x = 372.68

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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.