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Finding the Fourth Proportional to 361.44, 541.44 and 168.84

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Solution

The fourth proportional to 361.44, 541.44 and 168.84 is: 252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.44 : 541.44 = 168.84 : x
  2. Step 2: Convert to fraction form
    361.44/541.44 = 168.84/x
  3. Step 3: Cross multiply
    361.44x = 541.44 × 168.84
  4. Step 4: Simplify right side
    361.44x = 91,416.73
  5. Step 5: Solve for x
    x = 91,416.73/361.44
  6. Step 6: Final answer
    x = 252.92

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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.