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Finding the Fourth Proportional to 297.05, 445.73 and 160.07

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Solution

The fourth proportional to 297.05, 445.73 and 160.07 is: 240.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.05 : 445.73 = 160.07 : x
  2. Step 2: Convert to fraction form
    297.05/445.73 = 160.07/x
  3. Step 3: Cross multiply
    297.05x = 445.73 × 160.07
  4. Step 4: Simplify right side
    297.05x = 71,344.97
  5. Step 5: Solve for x
    x = 71,344.97/297.05
  6. Step 6: Final answer
    x = 240.18

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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.