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Finding the Fourth Proportional to 324.68, 448.00 and 224.94

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Solution

The fourth proportional to 324.68, 448.00 and 224.94 is: 310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.68 : 448.00 = 224.94 : x
  2. Step 2: Convert to fraction form
    324.68/448.00 = 224.94/x
  3. Step 3: Cross multiply
    324.68x = 448.00 × 224.94
  4. Step 4: Simplify right side
    324.68x = 100,772.00
  5. Step 5: Solve for x
    x = 100,772.00/324.68
  6. Step 6: Final answer
    x = 310.37

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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.