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Finding the Fourth Proportional to 298.86, 447.77 and 182.94

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Solution

The fourth proportional to 298.86, 447.77 and 182.94 is: 274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.86 : 447.77 = 182.94 : x
  2. Step 2: Convert to fraction form
    298.86/447.77 = 182.94/x
  3. Step 3: Cross multiply
    298.86x = 447.77 × 182.94
  4. Step 4: Simplify right side
    298.86x = 81,915.04
  5. Step 5: Solve for x
    x = 81,915.04/298.86
  6. Step 6: Final answer
    x = 274.09

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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.