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Finding the Fourth Proportional to 366.31, 505.46 and 241.73

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Solution

The fourth proportional to 366.31, 505.46 and 241.73 is: 333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.31 : 505.46 = 241.73 : x
  2. Step 2: Convert to fraction form
    366.31/505.46 = 241.73/x
  3. Step 3: Cross multiply
    366.31x = 505.46 × 241.73
  4. Step 4: Simplify right side
    366.31x = 122,186.30
  5. Step 5: Solve for x
    x = 122,186.30/366.31
  6. Step 6: Final answer
    x = 333.56

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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.