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Finding the Fourth Proportional to 735.27, 1,102.90 and 248.25

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Solution

The fourth proportional to 735.27, 1,102.90 and 248.25 is: 372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.27 : 1,102.90 = 248.25 : x
  2. Step 2: Convert to fraction form
    735.27/1,102.90 = 248.25/x
  3. Step 3: Cross multiply
    735.27x = 1,102.90 × 248.25
  4. Step 4: Simplify right side
    735.27x = 273,794.93
  5. Step 5: Solve for x
    x = 273,794.93/735.27
  6. Step 6: Final answer
    x = 372.37

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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.