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Finding the Fourth Proportional to 735.73, 1,103.35 and 267.09

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Solution

The fourth proportional to 735.73, 1,103.35 and 267.09 is: 400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.73 : 1,103.35 = 267.09 : x
  2. Step 2: Convert to fraction form
    735.73/1,103.35 = 267.09/x
  3. Step 3: Cross multiply
    735.73x = 1,103.35 × 267.09
  4. Step 4: Simplify right side
    735.73x = 294,693.75
  5. Step 5: Solve for x
    x = 294,693.75/735.73
  6. Step 6: Final answer
    x = 400.55

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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.