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Finding the Fourth Proportional to 335.98, 463.64 and 196.10

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Solution

The fourth proportional to 335.98, 463.64 and 196.10 is: 270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.98 : 463.64 = 196.10 : x
  2. Step 2: Convert to fraction form
    335.98/463.64 = 196.10/x
  3. Step 3: Cross multiply
    335.98x = 463.64 × 196.10
  4. Step 4: Simplify right side
    335.98x = 90,921.95
  5. Step 5: Solve for x
    x = 90,921.95/335.98
  6. Step 6: Final answer
    x = 270.62

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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.