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Finding the Fourth Proportional to 590.98, 886.62 and 225.73

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Solution

The fourth proportional to 590.98, 886.62 and 225.73 is: 338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.98 : 886.62 = 225.73 : x
  2. Step 2: Convert to fraction form
    590.98/886.62 = 225.73/x
  3. Step 3: Cross multiply
    590.98x = 886.62 × 225.73
  4. Step 4: Simplify right side
    590.98x = 200,136.73
  5. Step 5: Solve for x
    x = 200,136.73/590.98
  6. Step 6: Final answer
    x = 338.65

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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.