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Finding the Fourth Proportional to 324.23, 447.44 and 176.87

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Solution

The fourth proportional to 324.23, 447.44 and 176.87 is: 244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.23 : 447.44 = 176.87 : x
  2. Step 2: Convert to fraction form
    324.23/447.44 = 176.87/x
  3. Step 3: Cross multiply
    324.23x = 447.44 × 176.87
  4. Step 4: Simplify right side
    324.23x = 79,140.27
  5. Step 5: Solve for x
    x = 79,140.27/324.23
  6. Step 6: Final answer
    x = 244.08

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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.