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Finding the Fourth Proportional to 950.68, 1,426.46 and 403

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Solution

The fourth proportional to 950.68, 1,426.46 and 403 is: 604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.68 : 1,426.46 = 403 : x
  2. Step 2: Convert to fraction form
    950.68/1,426.46 = 403/x
  3. Step 3: Cross multiply
    950.68x = 1,426.46 × 403
  4. Step 4: Simplify right side
    950.68x = 574,863.38
  5. Step 5: Solve for x
    x = 574,863.38/950.68
  6. Step 6: Final answer
    x = 604.69

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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.