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Finding the Fourth Proportional to 297.68, 446.61 and 195.01

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Solution

The fourth proportional to 297.68, 446.61 and 195.01 is: 292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.68 : 446.61 = 195.01 : x
  2. Step 2: Convert to fraction form
    297.68/446.61 = 195.01/x
  3. Step 3: Cross multiply
    297.68x = 446.61 × 195.01
  4. Step 4: Simplify right side
    297.68x = 87,093.03
  5. Step 5: Solve for x
    x = 87,093.03/297.68
  6. Step 6: Final answer
    x = 292.58

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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.