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Finding the Fourth Proportional to 268.62, 372.44 and 259.62

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Solution

The fourth proportional to 268.62, 372.44 and 259.62 is: 359.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.62 : 372.44 = 259.62 : x
  2. Step 2: Convert to fraction form
    268.62/372.44 = 259.62/x
  3. Step 3: Cross multiply
    268.62x = 372.44 × 259.62
  4. Step 4: Simplify right side
    268.62x = 96,691.57
  5. Step 5: Solve for x
    x = 96,691.57/268.62
  6. Step 6: Final answer
    x = 359.96

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.