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Finding the Fourth Proportional to 952.92, 1,314.72 and 538.92

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Solution

The fourth proportional to 952.92, 1,314.72 and 538.92 is: 743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.92 : 1,314.72 = 538.92 : x
  2. Step 2: Convert to fraction form
    952.92/1,314.72 = 538.92/x
  3. Step 3: Cross multiply
    952.92x = 1,314.72 × 538.92
  4. Step 4: Simplify right side
    952.92x = 708,528.90
  5. Step 5: Solve for x
    x = 708,528.90/952.92
  6. Step 6: Final answer
    x = 743.53

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1.5x scale

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.