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Finding the Fourth Proportional to 573.77, 860.22 and 226.82

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Solution

The fourth proportional to 573.77, 860.22 and 226.82 is: 340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.77 : 860.22 = 226.82 : x
  2. Step 2: Convert to fraction form
    573.77/860.22 = 226.82/x
  3. Step 3: Cross multiply
    573.77x = 860.22 × 226.82
  4. Step 4: Simplify right side
    573.77x = 195,110.80
  5. Step 5: Solve for x
    x = 195,110.80/573.77
  6. Step 6: Final answer
    x = 340.05

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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.