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Finding the Fourth Proportional to 274.05, 410.67 and 196.02

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Solution

The fourth proportional to 274.05, 410.67 and 196.02 is: 293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.05 : 410.67 = 196.02 : x
  2. Step 2: Convert to fraction form
    274.05/410.67 = 196.02/x
  3. Step 3: Cross multiply
    274.05x = 410.67 × 196.02
  4. Step 4: Simplify right side
    274.05x = 80,499.53
  5. Step 5: Solve for x
    x = 80,499.53/274.05
  6. Step 6: Final answer
    x = 293.74

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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.