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Finding the Fourth Proportional to 336.36, 464.08 and 196.48

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Solution

The fourth proportional to 336.36, 464.08 and 196.48 is: 271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.36 : 464.08 = 196.48 : x
  2. Step 2: Convert to fraction form
    336.36/464.08 = 196.48/x
  3. Step 3: Cross multiply
    336.36x = 464.08 × 196.48
  4. Step 4: Simplify right side
    336.36x = 91,182.44
  5. Step 5: Solve for x
    x = 91,182.44/336.36
  6. Step 6: Final answer
    x = 271.09

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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.