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Finding the Fourth Proportional to 937.62, 1,406.42 and 244.28

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Solution

The fourth proportional to 937.62, 1,406.42 and 244.28 is: 366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.62 : 1,406.42 = 244.28 : x
  2. Step 2: Convert to fraction form
    937.62/1,406.42 = 244.28/x
  3. Step 3: Cross multiply
    937.62x = 1,406.42 × 244.28
  4. Step 4: Simplify right side
    937.62x = 343,560.28
  5. Step 5: Solve for x
    x = 343,560.28/937.62
  6. Step 6: Final answer
    x = 366.42

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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.