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Finding the Fourth Proportional to 963.24, 1,444.30 and 655.56

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Solution

The fourth proportional to 963.24, 1,444.30 and 655.56 is: 982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.24 : 1,444.30 = 655.56 : x
  2. Step 2: Convert to fraction form
    963.24/1,444.30 = 655.56/x
  3. Step 3: Cross multiply
    963.24x = 1,444.30 × 655.56
  4. Step 4: Simplify right side
    963.24x = 946,825.31
  5. Step 5: Solve for x
    x = 946,825.31/963.24
  6. Step 6: Final answer
    x = 982.96

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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.