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Finding the Fourth Proportional to 322.58, 482.96 and 224.43

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Solution

The fourth proportional to 322.58, 482.96 and 224.43 is: 336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.58 : 482.96 = 224.43 : x
  2. Step 2: Convert to fraction form
    322.58/482.96 = 224.43/x
  3. Step 3: Cross multiply
    322.58x = 482.96 × 224.43
  4. Step 4: Simplify right side
    322.58x = 108,389.59
  5. Step 5: Solve for x
    x = 108,389.59/322.58
  6. Step 6: Final answer
    x = 336.01

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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.