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Finding the Fourth Proportional to 297.04, 445.66 and 134.84

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Solution

The fourth proportional to 297.04, 445.66 and 134.84 is: 202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.04 : 445.66 = 134.84 : x
  2. Step 2: Convert to fraction form
    297.04/445.66 = 134.84/x
  3. Step 3: Cross multiply
    297.04x = 445.66 × 134.84
  4. Step 4: Simplify right side
    297.04x = 60,092.79
  5. Step 5: Solve for x
    x = 60,092.79/297.04
  6. Step 6: Final answer
    x = 202.31

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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.