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Finding the Fourth Proportional to 361.35, 541.92 and 196.74

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Solution

The fourth proportional to 361.35, 541.92 and 196.74 is: 295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.35 : 541.92 = 196.74 : x
  2. Step 2: Convert to fraction form
    361.35/541.92 = 196.74/x
  3. Step 3: Cross multiply
    361.35x = 541.92 × 196.74
  4. Step 4: Simplify right side
    361.35x = 106,617.34
  5. Step 5: Solve for x
    x = 106,617.34/361.35
  6. Step 6: Final answer
    x = 295.05

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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.