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Finding the Fourth Proportional to 951.24, 1,426.94 and 326.36

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Solution

The fourth proportional to 951.24, 1,426.94 and 326.36 is: 489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.24 : 1,426.94 = 326.36 : x
  2. Step 2: Convert to fraction form
    951.24/1,426.94 = 326.36/x
  3. Step 3: Cross multiply
    951.24x = 1,426.94 × 326.36
  4. Step 4: Simplify right side
    951.24x = 465,696.14
  5. Step 5: Solve for x
    x = 465,696.14/951.24
  6. Step 6: Final answer
    x = 489.57

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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.