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Finding the Fourth Proportional to 569.10, 853.05 and 222.30

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Solution

The fourth proportional to 569.10, 853.05 and 222.30 is: 333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.10 : 853.05 = 222.30 : x
  2. Step 2: Convert to fraction form
    569.10/853.05 = 222.30/x
  3. Step 3: Cross multiply
    569.10x = 853.05 × 222.30
  4. Step 4: Simplify right side
    569.10x = 189,633.02
  5. Step 5: Solve for x
    x = 189,633.02/569.10
  6. Step 6: Final answer
    x = 333.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.