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Finding the Fourth Proportional to 2,294.77, 3,442.16 and 908.43

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Solution

The fourth proportional to 2,294.77, 3,442.16 and 908.43 is: 1,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,294.77 : 3,442.16 = 908.43 : x
  2. Step 2: Convert to fraction form
    2,294.77/3,442.16 = 908.43/x
  3. Step 3: Cross multiply
    2,294.77x = 3,442.16 × 908.43
  4. Step 4: Simplify right side
    2,294.77x = 3,126,956.87
  5. Step 5: Solve for x
    x = 3,126,956.87/2,294.77
  6. Step 6: Final answer
    x = 1,362.65

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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.