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Finding the Fourth Proportional to 2,208.94, 3,314.93 and 910.41

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Solution

The fourth proportional to 2,208.94, 3,314.93 and 910.41 is: 1,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.94 : 3,314.93 = 910.41 : x
  2. Step 2: Convert to fraction form
    2,208.94/3,314.93 = 910.41/x
  3. Step 3: Cross multiply
    2,208.94x = 3,314.93 × 910.41
  4. Step 4: Simplify right side
    2,208.94x = 3,017,928.44
  5. Step 5: Solve for x
    x = 3,017,928.44/2,208.94
  6. Step 6: Final answer
    x = 1,366.24

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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.