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Finding the Fourth Proportional to 301.14, 451.74 and 225.06

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Solution

The fourth proportional to 301.14, 451.74 and 225.06 is: 337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.14 : 451.74 = 225.06 : x
  2. Step 2: Convert to fraction form
    301.14/451.74 = 225.06/x
  3. Step 3: Cross multiply
    301.14x = 451.74 × 225.06
  4. Step 4: Simplify right side
    301.14x = 101,668.60
  5. Step 5: Solve for x
    x = 101,668.60/301.14
  6. Step 6: Final answer
    x = 337.61

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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.