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Finding the Fourth Proportional to 263.32, 363.06 and 185.56

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Solution

The fourth proportional to 263.32, 363.06 and 185.56 is: 255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.32 : 363.06 = 185.56 : x
  2. Step 2: Convert to fraction form
    263.32/363.06 = 185.56/x
  3. Step 3: Cross multiply
    263.32x = 363.06 × 185.56
  4. Step 4: Simplify right side
    263.32x = 67,369.41
  5. Step 5: Solve for x
    x = 67,369.41/263.32
  6. Step 6: Final answer
    x = 255.85

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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.