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Finding the Fourth Proportional to 361.44, 541.94 and 178.92

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Solution

The fourth proportional to 361.44, 541.94 and 178.92 is: 268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.44 : 541.94 = 178.92 : x
  2. Step 2: Convert to fraction form
    361.44/541.94 = 178.92/x
  3. Step 3: Cross multiply
    361.44x = 541.94 × 178.92
  4. Step 4: Simplify right side
    361.44x = 96,963.01
  5. Step 5: Solve for x
    x = 96,963.01/361.44
  6. Step 6: Final answer
    x = 268.27

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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.