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Finding the Fourth Proportional to 735.04, 1,102.13 and 247.96

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Solution

The fourth proportional to 735.04, 1,102.13 and 247.96 is: 371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.04 : 1,102.13 = 247.96 : x
  2. Step 2: Convert to fraction form
    735.04/1,102.13 = 247.96/x
  3. Step 3: Cross multiply
    735.04x = 1,102.13 × 247.96
  4. Step 4: Simplify right side
    735.04x = 273,284.15
  5. Step 5: Solve for x
    x = 273,284.15/735.04
  6. Step 6: Final answer
    x = 371.79

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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.