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Finding the Fourth Proportional to 1,333.89, 1,998.41 and 1,304.73

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Solution

The fourth proportional to 1,333.89, 1,998.41 and 1,304.73 is: 1,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.89 : 1,998.41 = 1,304.73 : x
  2. Step 2: Convert to fraction form
    1,333.89/1,998.41 = 1,304.73/x
  3. Step 3: Cross multiply
    1,333.89x = 1,998.41 × 1,304.73
  4. Step 4: Simplify right side
    1,333.89x = 2,607,378.96
  5. Step 5: Solve for x
    x = 2,607,378.96/1,333.89
  6. Step 6: Final answer
    x = 1,954.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.