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Finding the Fourth Proportional to 735.26, 1,102.86 and 296.38

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Solution

The fourth proportional to 735.26, 1,102.86 and 296.38 is: 444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.26 : 1,102.86 = 296.38 : x
  2. Step 2: Convert to fraction form
    735.26/1,102.86 = 296.38/x
  3. Step 3: Cross multiply
    735.26x = 1,102.86 × 296.38
  4. Step 4: Simplify right side
    735.26x = 326,865.65
  5. Step 5: Solve for x
    x = 326,865.65/735.26
  6. Step 6: Final answer
    x = 444.56

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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.