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Finding the Fourth Proportional to 950.24, 1,425.52 and 300.92

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Solution

The fourth proportional to 950.24, 1,425.52 and 300.92 is: 451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.24 : 1,425.52 = 300.92 : x
  2. Step 2: Convert to fraction form
    950.24/1,425.52 = 300.92/x
  3. Step 3: Cross multiply
    950.24x = 1,425.52 × 300.92
  4. Step 4: Simplify right side
    950.24x = 428,967.48
  5. Step 5: Solve for x
    x = 428,967.48/950.24
  6. Step 6: Final answer
    x = 451.43

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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.