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Finding the Fourth Proportional to 324.96, 448.44 and 185.07

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Solution

The fourth proportional to 324.96, 448.44 and 185.07 is: 255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.96 : 448.44 = 185.07 : x
  2. Step 2: Convert to fraction form
    324.96/448.44 = 185.07/x
  3. Step 3: Cross multiply
    324.96x = 448.44 × 185.07
  4. Step 4: Simplify right side
    324.96x = 82,992.79
  5. Step 5: Solve for x
    x = 82,992.79/324.96
  6. Step 6: Final answer
    x = 255.39

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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.