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Finding the Fourth Proportional to 960.95, 1,441.01 and 652.88

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Solution

The fourth proportional to 960.95, 1,441.01 and 652.88 is: 979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.95 : 1,441.01 = 652.88 : x
  2. Step 2: Convert to fraction form
    960.95/1,441.01 = 652.88/x
  3. Step 3: Cross multiply
    960.95x = 1,441.01 × 652.88
  4. Step 4: Simplify right side
    960.95x = 940,811.84
  5. Step 5: Solve for x
    x = 940,811.84/960.95
  6. Step 6: Final answer
    x = 979.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.