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Finding the Fourth Proportional to 573.60, 860.09 and 226.92

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Solution

The fourth proportional to 573.60, 860.09 and 226.92 is: 340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.60 : 860.09 = 226.92 : x
  2. Step 2: Convert to fraction form
    573.60/860.09 = 226.92/x
  3. Step 3: Cross multiply
    573.60x = 860.09 × 226.92
  4. Step 4: Simplify right side
    573.60x = 195,166.76
  5. Step 5: Solve for x
    x = 195,166.76/573.60
  6. Step 6: Final answer
    x = 340.25

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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.