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Finding the Fourth Proportional to 2,238.48, 3,356.06 and 1,361.18

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Solution

The fourth proportional to 2,238.48, 3,356.06 and 1,361.18 is: 2,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.48 : 3,356.06 = 1,361.18 : x
  2. Step 2: Convert to fraction form
    2,238.48/3,356.06 = 1,361.18/x
  3. Step 3: Cross multiply
    2,238.48x = 3,356.06 × 1,361.18
  4. Step 4: Simplify right side
    2,238.48x = 4,568,203.34
  5. Step 5: Solve for x
    x = 4,568,203.34/2,238.48
  6. Step 6: Final answer
    x = 2,040.76

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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.