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Finding the Fourth Proportional to 951.10, 1,426.85 and 301.84

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Solution

The fourth proportional to 951.10, 1,426.85 and 301.84 is: 452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.10 : 1,426.85 = 301.84 : x
  2. Step 2: Convert to fraction form
    951.10/1,426.85 = 301.84/x
  3. Step 3: Cross multiply
    951.10x = 1,426.85 × 301.84
  4. Step 4: Simplify right side
    951.10x = 430,680.40
  5. Step 5: Solve for x
    x = 430,680.40/951.10
  6. Step 6: Final answer
    x = 452.82

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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.