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Finding the Fourth Proportional to 301.33, 415.84 and 176.96

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Solution

The fourth proportional to 301.33, 415.84 and 176.96 is: 244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.33 : 415.84 = 176.96 : x
  2. Step 2: Convert to fraction form
    301.33/415.84 = 176.96/x
  3. Step 3: Cross multiply
    301.33x = 415.84 × 176.96
  4. Step 4: Simplify right side
    301.33x = 73,587.05
  5. Step 5: Solve for x
    x = 73,587.05/301.33
  6. Step 6: Final answer
    x = 244.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.