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Finding the Fourth Proportional to 962.92, 1,444.22 and 269.63

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Solution

The fourth proportional to 962.92, 1,444.22 and 269.63 is: 404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.92 : 1,444.22 = 269.63 : x
  2. Step 2: Convert to fraction form
    962.92/1,444.22 = 269.63/x
  3. Step 3: Cross multiply
    962.92x = 1,444.22 × 269.63
  4. Step 4: Simplify right side
    962.92x = 389,403.69
  5. Step 5: Solve for x
    x = 389,403.69/962.92
  6. Step 6: Final answer
    x = 404.40

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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.