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Finding the Fourth Proportional to 952.43, 1,314.36 and 673.14

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Solution

The fourth proportional to 952.43, 1,314.36 and 673.14 is: 928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.43 : 1,314.36 = 673.14 : x
  2. Step 2: Convert to fraction form
    952.43/1,314.36 = 673.14/x
  3. Step 3: Cross multiply
    952.43x = 1,314.36 × 673.14
  4. Step 4: Simplify right side
    952.43x = 884,753.22
  5. Step 5: Solve for x
    x = 884,753.22/952.43
  6. Step 6: Final answer
    x = 928.95

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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.