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Finding the Fourth Proportional to 960.73, 1,325.33 and 567.50

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Solution

The fourth proportional to 960.73, 1,325.33 and 567.50 is: 782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.73 : 1,325.33 = 567.50 : x
  2. Step 2: Convert to fraction form
    960.73/1,325.33 = 567.50/x
  3. Step 3: Cross multiply
    960.73x = 1,325.33 × 567.50
  4. Step 4: Simplify right side
    960.73x = 752,124.78
  5. Step 5: Solve for x
    x = 752,124.78/960.73
  6. Step 6: Final answer
    x = 782.87

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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.