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Finding the Fourth Proportional to 324.36, 447.56 and 184.44

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Solution

The fourth proportional to 324.36, 447.56 and 184.44 is: 254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.36 : 447.56 = 184.44 : x
  2. Step 2: Convert to fraction form
    324.36/447.56 = 184.44/x
  3. Step 3: Cross multiply
    324.36x = 447.56 × 184.44
  4. Step 4: Simplify right side
    324.36x = 82,547.97
  5. Step 5: Solve for x
    x = 82,547.97/324.36
  6. Step 6: Final answer
    x = 254.49

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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.