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Finding the Fourth Proportional to 483.43, 667.22 and 273.62

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Solution

The fourth proportional to 483.43, 667.22 and 273.62 is: 377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.43 : 667.22 = 273.62 : x
  2. Step 2: Convert to fraction form
    483.43/667.22 = 273.62/x
  3. Step 3: Cross multiply
    483.43x = 667.22 × 273.62
  4. Step 4: Simplify right side
    483.43x = 182,560.03
  5. Step 5: Solve for x
    x = 182,560.03/483.43
  6. Step 6: Final answer
    x = 377.64

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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.