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Finding the Fourth Proportional to 1,163.26, 1,744.55 and 341.38

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Solution

The fourth proportional to 1,163.26, 1,744.55 and 341.38 is: 511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.26 : 1,744.55 = 341.38 : x
  2. Step 2: Convert to fraction form
    1,163.26/1,744.55 = 341.38/x
  3. Step 3: Cross multiply
    1,163.26x = 1,744.55 × 341.38
  4. Step 4: Simplify right side
    1,163.26x = 595,544.05
  5. Step 5: Solve for x
    x = 595,544.05/1,163.26
  6. Step 6: Final answer
    x = 511.96

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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.