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Finding the Fourth Proportional to 735.48, 1,103.24 and 248.54

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Solution

The fourth proportional to 735.48, 1,103.24 and 248.54 is: 372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.48 : 1,103.24 = 248.54 : x
  2. Step 2: Convert to fraction form
    735.48/1,103.24 = 248.54/x
  3. Step 3: Cross multiply
    735.48x = 1,103.24 × 248.54
  4. Step 4: Simplify right side
    735.48x = 274,194.37
  5. Step 5: Solve for x
    x = 274,194.37/735.48
  6. Step 6: Final answer
    x = 372.81

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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.