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Finding the Fourth Proportional to 322.58, 482.95 and 224.97

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Solution

The fourth proportional to 322.58, 482.95 and 224.97 is: 336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.58 : 482.95 = 224.97 : x
  2. Step 2: Convert to fraction form
    322.58/482.95 = 224.97/x
  3. Step 3: Cross multiply
    322.58x = 482.95 × 224.97
  4. Step 4: Simplify right side
    322.58x = 108,649.26
  5. Step 5: Solve for x
    x = 108,649.26/322.58
  6. Step 6: Final answer
    x = 336.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.