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Finding the Fourth Proportional to 361.83, 499.32 and 196.04

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Solution

The fourth proportional to 361.83, 499.32 and 196.04 is: 270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.83 : 499.32 = 196.04 : x
  2. Step 2: Convert to fraction form
    361.83/499.32 = 196.04/x
  3. Step 3: Cross multiply
    361.83x = 499.32 × 196.04
  4. Step 4: Simplify right side
    361.83x = 97,887.94
  5. Step 5: Solve for x
    x = 97,887.94/361.83
  6. Step 6: Final answer
    x = 270.54

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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.