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Finding the Fourth Proportional to 1,456.63, 2,183.36 and 908.06

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Solution

The fourth proportional to 1,456.63, 2,183.36 and 908.06 is: 1,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.63 : 2,183.36 = 908.06 : x
  2. Step 2: Convert to fraction form
    1,456.63/2,183.36 = 908.06/x
  3. Step 3: Cross multiply
    1,456.63x = 2,183.36 × 908.06
  4. Step 4: Simplify right side
    1,456.63x = 1,982,618.71
  5. Step 5: Solve for x
    x = 1,982,618.71/1,456.63
  6. Step 6: Final answer
    x = 1,361.10

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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.