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Finding the Fourth Proportional to 735.85, 1,103.68 and 248.82

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Solution

The fourth proportional to 735.85, 1,103.68 and 248.82 is: 373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.85 : 1,103.68 = 248.82 : x
  2. Step 2: Convert to fraction form
    735.85/1,103.68 = 248.82/x
  3. Step 3: Cross multiply
    735.85x = 1,103.68 × 248.82
  4. Step 4: Simplify right side
    735.85x = 274,617.66
  5. Step 5: Solve for x
    x = 274,617.66/735.85
  6. Step 6: Final answer
    x = 373.20

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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.