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Finding the Fourth Proportional to 1,717.26, 2,576.49 and 563.01

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Solution

The fourth proportional to 1,717.26, 2,576.49 and 563.01 is: 844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.26 : 2,576.49 = 563.01 : x
  2. Step 2: Convert to fraction form
    1,717.26/2,576.49 = 563.01/x
  3. Step 3: Cross multiply
    1,717.26x = 2,576.49 × 563.01
  4. Step 4: Simplify right side
    1,717.26x = 1,450,589.63
  5. Step 5: Solve for x
    x = 1,450,589.63/1,717.26
  6. Step 6: Final answer
    x = 844.71

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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.