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Finding the Fourth Proportional to 952.62, 1,314.77 and 559.67

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Solution

The fourth proportional to 952.62, 1,314.77 and 559.67 is: 772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.62 : 1,314.77 = 559.67 : x
  2. Step 2: Convert to fraction form
    952.62/1,314.77 = 559.67/x
  3. Step 3: Cross multiply
    952.62x = 1,314.77 × 559.67
  4. Step 4: Simplify right side
    952.62x = 735,827.95
  5. Step 5: Solve for x
    x = 735,827.95/952.62
  6. Step 6: Final answer
    x = 772.43

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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.