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Finding the Fourth Proportional to 552.24, 828.18 and 186.92

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Solution

The fourth proportional to 552.24, 828.18 and 186.92 is: 280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.24 : 828.18 = 186.92 : x
  2. Step 2: Convert to fraction form
    552.24/828.18 = 186.92/x
  3. Step 3: Cross multiply
    552.24x = 828.18 × 186.92
  4. Step 4: Simplify right side
    552.24x = 154,803.41
  5. Step 5: Solve for x
    x = 154,803.41/552.24
  6. Step 6: Final answer
    x = 280.32

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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.