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Finding the Fourth Proportional to 1,366, 2,049.05 and 441.44

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Solution

The fourth proportional to 1,366, 2,049.05 and 441.44 is: 662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366 : 2,049.05 = 441.44 : x
  2. Step 2: Convert to fraction form
    1,366/2,049.05 = 441.44/x
  3. Step 3: Cross multiply
    1,366x = 2,049.05 × 441.44
  4. Step 4: Simplify right side
    1,366x = 904,532.63
  5. Step 5: Solve for x
    x = 904,532.63/1,366
  6. Step 6: Final answer
    x = 662.18

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Why These Related Problems?

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