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Finding the Fourth Proportional to 573.81, 860.43 and 226.92

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Solution

The fourth proportional to 573.81, 860.43 and 226.92 is: 340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.81 : 860.43 = 226.92 : x
  2. Step 2: Convert to fraction form
    573.81/860.43 = 226.92/x
  3. Step 3: Cross multiply
    573.81x = 860.43 × 226.92
  4. Step 4: Simplify right side
    573.81x = 195,248.78
  5. Step 5: Solve for x
    x = 195,248.78/573.81
  6. Step 6: Final answer
    x = 340.27

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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.