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Finding the Fourth Proportional to 963.11, 1,444.60 and 475.73

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Solution

The fourth proportional to 963.11, 1,444.60 and 475.73 is: 713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.11 : 1,444.60 = 475.73 : x
  2. Step 2: Convert to fraction form
    963.11/1,444.60 = 475.73/x
  3. Step 3: Cross multiply
    963.11x = 1,444.60 × 475.73
  4. Step 4: Simplify right side
    963.11x = 687,239.56
  5. Step 5: Solve for x
    x = 687,239.56/963.11
  6. Step 6: Final answer
    x = 713.56

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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.