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Finding the Fourth Proportional to 1,491.97, 2,236.46 and 567.29

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Solution

The fourth proportional to 1,491.97, 2,236.46 and 567.29 is: 850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.97 : 2,236.46 = 567.29 : x
  2. Step 2: Convert to fraction form
    1,491.97/2,236.46 = 567.29/x
  3. Step 3: Cross multiply
    1,491.97x = 2,236.46 × 567.29
  4. Step 4: Simplify right side
    1,491.97x = 1,268,721.39
  5. Step 5: Solve for x
    x = 1,268,721.39/1,491.97
  6. Step 6: Final answer
    x = 850.37

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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.