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Finding the Fourth Proportional to 492.28, 737.86 and 248.44

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Solution

The fourth proportional to 492.28, 737.86 and 248.44 is: 372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.28 : 737.86 = 248.44 : x
  2. Step 2: Convert to fraction form
    492.28/737.86 = 248.44/x
  3. Step 3: Cross multiply
    492.28x = 737.86 × 248.44
  4. Step 4: Simplify right side
    492.28x = 183,313.94
  5. Step 5: Solve for x
    x = 183,313.94/492.28
  6. Step 6: Final answer
    x = 372.38

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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.