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Finding the Fourth Proportional to 481.44, 664.46 and 295.03

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Solution

The fourth proportional to 481.44, 664.46 and 295.03 is: 407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.44 : 664.46 = 295.03 : x
  2. Step 2: Convert to fraction form
    481.44/664.46 = 295.03/x
  3. Step 3: Cross multiply
    481.44x = 664.46 × 295.03
  4. Step 4: Simplify right side
    481.44x = 196,036.30
  5. Step 5: Solve for x
    x = 196,036.30/481.44
  6. Step 6: Final answer
    x = 407.19

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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.