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Finding the Fourth Proportional to 1,491.12, 2,237.56 and 566.80

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Solution

The fourth proportional to 1,491.12, 2,237.56 and 566.80 is: 850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.12 : 2,237.56 = 566.80 : x
  2. Step 2: Convert to fraction form
    1,491.12/2,237.56 = 566.80/x
  3. Step 3: Cross multiply
    1,491.12x = 2,237.56 × 566.80
  4. Step 4: Simplify right side
    1,491.12x = 1,268,249.01
  5. Step 5: Solve for x
    x = 1,268,249.01/1,491.12
  6. Step 6: Final answer
    x = 850.53

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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.