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Finding the Fourth Proportional to 952.48, 1,314.44 and 538.48

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Solution

The fourth proportional to 952.48, 1,314.44 and 538.48 is: 743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.48 : 1,314.44 = 538.48 : x
  2. Step 2: Convert to fraction form
    952.48/1,314.44 = 538.48/x
  3. Step 3: Cross multiply
    952.48x = 1,314.44 × 538.48
  4. Step 4: Simplify right side
    952.48x = 707,799.65
  5. Step 5: Solve for x
    x = 707,799.65/952.48
  6. Step 6: Final answer
    x = 743.11

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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.