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Finding the Fourth Proportional to 349.24, 481.94 and 193.96

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Solution

The fourth proportional to 349.24, 481.94 and 193.96 is: 267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.24 : 481.94 = 193.96 : x
  2. Step 2: Convert to fraction form
    349.24/481.94 = 193.96/x
  3. Step 3: Cross multiply
    349.24x = 481.94 × 193.96
  4. Step 4: Simplify right side
    349.24x = 93,477.08
  5. Step 5: Solve for x
    x = 93,477.08/349.24
  6. Step 6: Final answer
    x = 267.66

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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.