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Finding the Fourth Proportional to 590.88, 886.25 and 225.57

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Solution

The fourth proportional to 590.88, 886.25 and 225.57 is: 338.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.88 : 886.25 = 225.57 : x
  2. Step 2: Convert to fraction form
    590.88/886.25 = 225.57/x
  3. Step 3: Cross multiply
    590.88x = 886.25 × 225.57
  4. Step 4: Simplify right side
    590.88x = 199,910.28
  5. Step 5: Solve for x
    x = 199,910.28/590.88
  6. Step 6: Final answer
    x = 338.33

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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.