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Finding the Fourth Proportional to 963.24, 1,443.46 and 524.13

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Solution

The fourth proportional to 963.24, 1,443.46 and 524.13 is: 785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.24 : 1,443.46 = 524.13 : x
  2. Step 2: Convert to fraction form
    963.24/1,443.46 = 524.13/x
  3. Step 3: Cross multiply
    963.24x = 1,443.46 × 524.13
  4. Step 4: Simplify right side
    963.24x = 756,560.69
  5. Step 5: Solve for x
    x = 756,560.69/963.24
  6. Step 6: Final answer
    x = 785.43

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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.