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Finding the Fourth Proportional to 262.62, 362.16 and 207.27

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Solution

The fourth proportional to 262.62, 362.16 and 207.27 is: 285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.62 : 362.16 = 207.27 : x
  2. Step 2: Convert to fraction form
    262.62/362.16 = 207.27/x
  3. Step 3: Cross multiply
    262.62x = 362.16 × 207.27
  4. Step 4: Simplify right side
    262.62x = 75,064.90
  5. Step 5: Solve for x
    x = 75,064.90/262.62
  6. Step 6: Final answer
    x = 285.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.