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Finding the Fourth Proportional to 950.91, 1,426.41 and 301.74

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Solution

The fourth proportional to 950.91, 1,426.41 and 301.74 is: 452.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.91 : 1,426.41 = 301.74 : x
  2. Step 2: Convert to fraction form
    950.91/1,426.41 = 301.74/x
  3. Step 3: Cross multiply
    950.91x = 1,426.41 × 301.74
  4. Step 4: Simplify right side
    950.91x = 430,404.95
  5. Step 5: Solve for x
    x = 430,404.95/950.91
  6. Step 6: Final answer
    x = 452.62

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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.