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Finding the Fourth Proportional to 950.62, 1,426.02 and 402.97

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Solution

The fourth proportional to 950.62, 1,426.02 and 402.97 is: 604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.62 : 1,426.02 = 402.97 : x
  2. Step 2: Convert to fraction form
    950.62/1,426.02 = 402.97/x
  3. Step 3: Cross multiply
    950.62x = 1,426.02 × 402.97
  4. Step 4: Simplify right side
    950.62x = 574,643.28
  5. Step 5: Solve for x
    x = 574,643.28/950.62
  6. Step 6: Final answer
    x = 604.49

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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.