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Finding the Fourth Proportional to 952.67, 1,314.67 and 559.71

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Solution

The fourth proportional to 952.67, 1,314.67 and 559.71 is: 772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.67 : 1,314.67 = 559.71 : x
  2. Step 2: Convert to fraction form
    952.67/1,314.67 = 559.71/x
  3. Step 3: Cross multiply
    952.67x = 1,314.67 × 559.71
  4. Step 4: Simplify right side
    952.67x = 735,832.55
  5. Step 5: Solve for x
    x = 735,832.55/952.67
  6. Step 6: Final answer
    x = 772.39

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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.