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Finding the Fourth Proportional to 952.26, 1,314.12 and 548.54

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Solution

The fourth proportional to 952.26, 1,314.12 and 548.54 is: 756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.26 : 1,314.12 = 548.54 : x
  2. Step 2: Convert to fraction form
    952.26/1,314.12 = 548.54/x
  3. Step 3: Cross multiply
    952.26x = 1,314.12 × 548.54
  4. Step 4: Simplify right side
    952.26x = 720,847.38
  5. Step 5: Solve for x
    x = 720,847.38/952.26
  6. Step 6: Final answer
    x = 756.99

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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.