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Finding the Fourth Proportional to 336.24, 463.88 and 196.31

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Solution

The fourth proportional to 336.24, 463.88 and 196.31 is: 270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.24 : 463.88 = 196.31 : x
  2. Step 2: Convert to fraction form
    336.24/463.88 = 196.31/x
  3. Step 3: Cross multiply
    336.24x = 463.88 × 196.31
  4. Step 4: Simplify right side
    336.24x = 91,060.98
  5. Step 5: Solve for x
    x = 91,060.98/336.24
  6. Step 6: Final answer
    x = 270.82

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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.