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Finding the Fourth Proportional to 298.14, 446.85 and 262.14

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Solution

The fourth proportional to 298.14, 446.85 and 262.14 is: 392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.14 : 446.85 = 262.14 : x
  2. Step 2: Convert to fraction form
    298.14/446.85 = 262.14/x
  3. Step 3: Cross multiply
    298.14x = 446.85 × 262.14
  4. Step 4: Simplify right side
    298.14x = 117,137.26
  5. Step 5: Solve for x
    x = 117,137.26/298.14
  6. Step 6: Final answer
    x = 392.89

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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.