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Finding the Fourth Proportional to 573.23, 859.85 and 226.41

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Solution

The fourth proportional to 573.23, 859.85 and 226.41 is: 339.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.23 : 859.85 = 226.41 : x
  2. Step 2: Convert to fraction form
    573.23/859.85 = 226.41/x
  3. Step 3: Cross multiply
    573.23x = 859.85 × 226.41
  4. Step 4: Simplify right side
    573.23x = 194,677.51
  5. Step 5: Solve for x
    x = 194,677.51/573.23
  6. Step 6: Final answer
    x = 339.62

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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.