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Finding the Fourth Proportional to 483.46, 667.12 and 273.60

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Solution

The fourth proportional to 483.46, 667.12 and 273.60 is: 377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.46 : 667.12 = 273.60 : x
  2. Step 2: Convert to fraction form
    483.46/667.12 = 273.60/x
  3. Step 3: Cross multiply
    483.46x = 667.12 × 273.60
  4. Step 4: Simplify right side
    483.46x = 182,524.03
  5. Step 5: Solve for x
    x = 182,524.03/483.46
  6. Step 6: Final answer
    x = 377.54

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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.