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Finding the Fourth Proportional to 298.62, 445.91 and 244.62

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Solution

The fourth proportional to 298.62, 445.91 and 244.62 is: 365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.62 : 445.91 = 244.62 : x
  2. Step 2: Convert to fraction form
    298.62/445.91 = 244.62/x
  3. Step 3: Cross multiply
    298.62x = 445.91 × 244.62
  4. Step 4: Simplify right side
    298.62x = 109,077.28
  5. Step 5: Solve for x
    x = 109,077.28/298.62
  6. Step 6: Final answer
    x = 365.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.