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Finding the Fourth Proportional to 964.92, 1,450.26 and 452.28

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Solution

The fourth proportional to 964.92, 1,450.26 and 452.28 is: 679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.92 : 1,450.26 = 452.28 : x
  2. Step 2: Convert to fraction form
    964.92/1,450.26 = 452.28/x
  3. Step 3: Cross multiply
    964.92x = 1,450.26 × 452.28
  4. Step 4: Simplify right side
    964.92x = 655,923.59
  5. Step 5: Solve for x
    x = 655,923.59/964.92
  6. Step 6: Final answer
    x = 679.77

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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.