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Finding the Fourth Proportional to 1,196.13, 1,794.83 and 571.26

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Solution

The fourth proportional to 1,196.13, 1,794.83 and 571.26 is: 857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.13 : 1,794.83 = 571.26 : x
  2. Step 2: Convert to fraction form
    1,196.13/1,794.83 = 571.26/x
  3. Step 3: Cross multiply
    1,196.13x = 1,794.83 × 571.26
  4. Step 4: Simplify right side
    1,196.13x = 1,025,311.73
  5. Step 5: Solve for x
    x = 1,025,311.73/1,196.13
  6. Step 6: Final answer
    x = 857.19

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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.