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Finding the Fourth Proportional to 968.73, 1,453.71 and 604.23

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Solution

The fourth proportional to 968.73, 1,453.71 and 604.23 is: 906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.73 : 1,453.71 = 604.23 : x
  2. Step 2: Convert to fraction form
    968.73/1,453.71 = 604.23/x
  3. Step 3: Cross multiply
    968.73x = 1,453.71 × 604.23
  4. Step 4: Simplify right side
    968.73x = 878,375.19
  5. Step 5: Solve for x
    x = 878,375.19/968.73
  6. Step 6: Final answer
    x = 906.73

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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.