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Finding the Fourth Proportional to 324.04, 447.06 and 293

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Solution

The fourth proportional to 324.04, 447.06 and 293 is: 404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.04 : 447.06 = 293 : x
  2. Step 2: Convert to fraction form
    324.04/447.06 = 293/x
  3. Step 3: Cross multiply
    324.04x = 447.06 × 293
  4. Step 4: Simplify right side
    324.04x = 130,988.58
  5. Step 5: Solve for x
    x = 130,988.58/324.04
  6. Step 6: Final answer
    x = 404.24

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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.