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Finding the Fourth Proportional to 488.28, 732.44 and 244.48

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Solution

The fourth proportional to 488.28, 732.44 and 244.48 is: 366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.28 : 732.44 = 244.48 : x
  2. Step 2: Convert to fraction form
    488.28/732.44 = 244.48/x
  3. Step 3: Cross multiply
    488.28x = 732.44 × 244.48
  4. Step 4: Simplify right side
    488.28x = 179,066.93
  5. Step 5: Solve for x
    x = 179,066.93/488.28
  6. Step 6: Final answer
    x = 366.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.