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Finding the Fourth Proportional to 963.62, 1,444.20 and 616.82

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Solution

The fourth proportional to 963.62, 1,444.20 and 616.82 is: 924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.62 : 1,444.20 = 616.82 : x
  2. Step 2: Convert to fraction form
    963.62/1,444.20 = 616.82/x
  3. Step 3: Cross multiply
    963.62x = 1,444.20 × 616.82
  4. Step 4: Simplify right side
    963.62x = 890,811.44
  5. Step 5: Solve for x
    x = 890,811.44/963.62
  6. Step 6: Final answer
    x = 924.44

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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.