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Finding the Fourth Proportional to 952.73, 1,314.75 and 538.73

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Solution

The fourth proportional to 952.73, 1,314.75 and 538.73 is: 743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.73 : 1,314.75 = 538.73 : x
  2. Step 2: Convert to fraction form
    952.73/1,314.75 = 538.73/x
  3. Step 3: Cross multiply
    952.73x = 1,314.75 × 538.73
  4. Step 4: Simplify right side
    952.73x = 708,295.27
  5. Step 5: Solve for x
    x = 708,295.27/952.73
  6. Step 6: Final answer
    x = 743.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.