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Finding the Fourth Proportional to 336.28, 463.96 and 196.36

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Solution

The fourth proportional to 336.28, 463.96 and 196.36 is: 270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.28 : 463.96 = 196.36 : x
  2. Step 2: Convert to fraction form
    336.28/463.96 = 196.36/x
  3. Step 3: Cross multiply
    336.28x = 463.96 × 196.36
  4. Step 4: Simplify right side
    336.28x = 91,103.19
  5. Step 5: Solve for x
    x = 91,103.19/336.28
  6. Step 6: Final answer
    x = 270.91

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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.