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Finding the Fourth Proportional to 596.11, 892.43 and 442.72

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Solution

The fourth proportional to 596.11, 892.43 and 442.72 is: 662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.11 : 892.43 = 442.72 : x
  2. Step 2: Convert to fraction form
    596.11/892.43 = 442.72/x
  3. Step 3: Cross multiply
    596.11x = 892.43 × 442.72
  4. Step 4: Simplify right side
    596.11x = 395,096.61
  5. Step 5: Solve for x
    x = 395,096.61/596.11
  6. Step 6: Final answer
    x = 662.79

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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.