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Finding the Fourth Proportional to 960.38, 1,325.33 and 546.38

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Solution

The fourth proportional to 960.38, 1,325.33 and 546.38 is: 754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.38 : 1,325.33 = 546.38 : x
  2. Step 2: Convert to fraction form
    960.38/1,325.33 = 546.38/x
  3. Step 3: Cross multiply
    960.38x = 1,325.33 × 546.38
  4. Step 4: Simplify right side
    960.38x = 724,124.45
  5. Step 5: Solve for x
    x = 724,124.45/960.38
  6. Step 6: Final answer
    x = 754.00

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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.