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Finding the Fourth Proportional to 324.99, 448.94 and 252.24

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Solution

The fourth proportional to 324.99, 448.94 and 252.24 is: 348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.99 : 448.94 = 252.24 : x
  2. Step 2: Convert to fraction form
    324.99/448.94 = 252.24/x
  3. Step 3: Cross multiply
    324.99x = 448.94 × 252.24
  4. Step 4: Simplify right side
    324.99x = 113,240.63
  5. Step 5: Solve for x
    x = 113,240.63/324.99
  6. Step 6: Final answer
    x = 348.44

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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.