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Finding the Fourth Proportional to 298, 446.84 and 195.32

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Solution

The fourth proportional to 298, 446.84 and 195.32 is: 292.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    298 : 446.84 = 195.32 : x
  2. Step 2: Convert to fraction form
    298/446.84 = 195.32/x
  3. Step 3: Cross multiply
    298x = 446.84 × 195.32
  4. Step 4: Simplify right side
    298x = 87,276.79
  5. Step 5: Solve for x
    x = 87,276.79/298
  6. Step 6: Final answer
    x = 292.88

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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.