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Finding the Fourth Proportional to 334.08, 460.96 and 196

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Solution

The fourth proportional to 334.08, 460.96 and 196 is: 270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.08 : 460.96 = 196 : x
  2. Step 2: Convert to fraction form
    334.08/460.96 = 196/x
  3. Step 3: Cross multiply
    334.08x = 460.96 × 196
  4. Step 4: Simplify right side
    334.08x = 90,348.16
  5. Step 5: Solve for x
    x = 90,348.16/334.08
  6. Step 6: Final answer
    x = 270.44

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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.