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Finding the Fourth Proportional to 351.14, 481.24 and 346.98

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Solution

The fourth proportional to 351.14, 481.24 and 346.98 is: 475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.14 : 481.24 = 346.98 : x
  2. Step 2: Convert to fraction form
    351.14/481.24 = 346.98/x
  3. Step 3: Cross multiply
    351.14x = 481.24 × 346.98
  4. Step 4: Simplify right side
    351.14x = 166,982.89
  5. Step 5: Solve for x
    x = 166,982.89/351.14
  6. Step 6: Final answer
    x = 475.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.