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Finding the Fourth Proportional to 2,266.32, 3,399.39 and 622.82

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Solution

The fourth proportional to 2,266.32, 3,399.39 and 622.82 is: 934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.32 : 3,399.39 = 622.82 : x
  2. Step 2: Convert to fraction form
    2,266.32/3,399.39 = 622.82/x
  3. Step 3: Cross multiply
    2,266.32x = 3,399.39 × 622.82
  4. Step 4: Simplify right side
    2,266.32x = 2,117,218.33
  5. Step 5: Solve for x
    x = 2,117,218.33/2,266.32
  6. Step 6: Final answer
    x = 934.21

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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.