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Finding the Fourth Proportional to 952.20, 1,427.19 and 404.24

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Solution

The fourth proportional to 952.20, 1,427.19 and 404.24 is: 605.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.20 : 1,427.19 = 404.24 : x
  2. Step 2: Convert to fraction form
    952.20/1,427.19 = 404.24/x
  3. Step 3: Cross multiply
    952.20x = 1,427.19 × 404.24
  4. Step 4: Simplify right side
    952.20x = 576,920.15
  5. Step 5: Solve for x
    x = 576,920.15/952.20
  6. Step 6: Final answer
    x = 605.88

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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.