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Finding the Fourth Proportional to 569.08, 853.60 and 222.48

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Solution

The fourth proportional to 569.08, 853.60 and 222.48 is: 333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.08 : 853.60 = 222.48 : x
  2. Step 2: Convert to fraction form
    569.08/853.60 = 222.48/x
  3. Step 3: Cross multiply
    569.08x = 853.60 × 222.48
  4. Step 4: Simplify right side
    569.08x = 189,908.97
  5. Step 5: Solve for x
    x = 189,908.97/569.08
  6. Step 6: Final answer
    x = 333.71

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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.