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Finding the Fourth Proportional to 450.73, 622.07 and 276.09

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Solution

The fourth proportional to 450.73, 622.07 and 276.09 is: 381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.73 : 622.07 = 276.09 : x
  2. Step 2: Convert to fraction form
    450.73/622.07 = 276.09/x
  3. Step 3: Cross multiply
    450.73x = 622.07 × 276.09
  4. Step 4: Simplify right side
    450.73x = 171,747.31
  5. Step 5: Solve for x
    x = 171,747.31/450.73
  6. Step 6: Final answer
    x = 381.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.