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Finding the Fourth Proportional to 963, 1,444.44 and 269.64

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Solution

The fourth proportional to 963, 1,444.44 and 269.64 is: 404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    963 : 1,444.44 = 269.64 : x
  2. Step 2: Convert to fraction form
    963/1,444.44 = 269.64/x
  3. Step 3: Cross multiply
    963x = 1,444.44 × 269.64
  4. Step 4: Simplify right side
    963x = 389,478.80
  5. Step 5: Solve for x
    x = 389,478.80/963
  6. Step 6: Final answer
    x = 404.44

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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.