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Finding the Fourth Proportional to 573.10, 859.42 and 226.37

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Solution

The fourth proportional to 573.10, 859.42 and 226.37 is: 339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.10 : 859.42 = 226.37 : x
  2. Step 2: Convert to fraction form
    573.10/859.42 = 226.37/x
  3. Step 3: Cross multiply
    573.10x = 859.42 × 226.37
  4. Step 4: Simplify right side
    573.10x = 194,546.91
  5. Step 5: Solve for x
    x = 194,546.91/573.10
  6. Step 6: Final answer
    x = 339.46

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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.