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Finding the Fourth Proportional to 569, 852.96 and 222.08

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Solution

The fourth proportional to 569, 852.96 and 222.08 is: 332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    569 : 852.96 = 222.08 : x
  2. Step 2: Convert to fraction form
    569/852.96 = 222.08/x
  3. Step 3: Cross multiply
    569x = 852.96 × 222.08
  4. Step 4: Simplify right side
    569x = 189,425.36
  5. Step 5: Solve for x
    x = 189,425.36/569
  6. Step 6: Final answer
    x = 332.91

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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.