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Finding the Fourth Proportional to 569.12, 854.01 and 222.44

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Solution

The fourth proportional to 569.12, 854.01 and 222.44 is: 333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.12 : 854.01 = 222.44 : x
  2. Step 2: Convert to fraction form
    569.12/854.01 = 222.44/x
  3. Step 3: Cross multiply
    569.12x = 854.01 × 222.44
  4. Step 4: Simplify right side
    569.12x = 189,961.71
  5. Step 5: Solve for x
    x = 189,961.71/569.12
  6. Step 6: Final answer
    x = 333.78

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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.