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Finding the Fourth Proportional to 361.96, 499.24 and 263.52

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Solution

The fourth proportional to 361.96, 499.24 and 263.52 is: 363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.96 : 499.24 = 263.52 : x
  2. Step 2: Convert to fraction form
    361.96/499.24 = 263.52/x
  3. Step 3: Cross multiply
    361.96x = 499.24 × 263.52
  4. Step 4: Simplify right side
    361.96x = 131,559.72
  5. Step 5: Solve for x
    x = 131,559.72/361.96
  6. Step 6: Final answer
    x = 363.46

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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.