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Finding the Fourth Proportional to 322.08, 444 and 244.32

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Solution

The fourth proportional to 322.08, 444 and 244.32 is: 336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.08 : 444 = 244.32 : x
  2. Step 2: Convert to fraction form
    322.08/444 = 244.32/x
  3. Step 3: Cross multiply
    322.08x = 444 × 244.32
  4. Step 4: Simplify right side
    322.08x = 108,478.08
  5. Step 5: Solve for x
    x = 108,478.08/322.08
  6. Step 6: Final answer
    x = 336.80

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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.