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Finding the Fourth Proportional to 568.56, 852.96 and 276.12

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Solution

The fourth proportional to 568.56, 852.96 and 276.12 is: 414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.56 : 852.96 = 276.12 : x
  2. Step 2: Convert to fraction form
    568.56/852.96 = 276.12/x
  3. Step 3: Cross multiply
    568.56x = 852.96 × 276.12
  4. Step 4: Simplify right side
    568.56x = 235,519.32
  5. Step 5: Solve for x
    x = 235,519.32/568.56
  6. Step 6: Final answer
    x = 414.24

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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.