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Finding the Fourth Proportional to 552.42, 828.44 and 227.62

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Solution

The fourth proportional to 552.42, 828.44 and 227.62 is: 341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.42 : 828.44 = 227.62 : x
  2. Step 2: Convert to fraction form
    552.42/828.44 = 227.62/x
  3. Step 3: Cross multiply
    552.42x = 828.44 × 227.62
  4. Step 4: Simplify right side
    552.42x = 188,569.51
  5. Step 5: Solve for x
    x = 188,569.51/552.42
  6. Step 6: Final answer
    x = 341.35

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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.