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Finding the Fourth Proportional to 336.75, 464.74 and 196.96

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Solution

The fourth proportional to 336.75, 464.74 and 196.96 is: 271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.75 : 464.74 = 196.96 : x
  2. Step 2: Convert to fraction form
    336.75/464.74 = 196.96/x
  3. Step 3: Cross multiply
    336.75x = 464.74 × 196.96
  4. Step 4: Simplify right side
    336.75x = 91,535.19
  5. Step 5: Solve for x
    x = 91,535.19/336.75
  6. Step 6: Final answer
    x = 271.82

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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.