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Finding the Fourth Proportional to 1,183.94, 1,773.20 and 568.08

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Solution

The fourth proportional to 1,183.94, 1,773.20 and 568.08 is: 850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.94 : 1,773.20 = 568.08 : x
  2. Step 2: Convert to fraction form
    1,183.94/1,773.20 = 568.08/x
  3. Step 3: Cross multiply
    1,183.94x = 1,773.20 × 568.08
  4. Step 4: Simplify right side
    1,183.94x = 1,007,316.62
  5. Step 5: Solve for x
    x = 1,007,316.62/1,183.94
  6. Step 6: Final answer
    x = 850.82

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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.