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Finding the Fourth Proportional to 322.36, 444.90 and 273.04

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Solution

The fourth proportional to 322.36, 444.90 and 273.04 is: 376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.36 : 444.90 = 273.04 : x
  2. Step 2: Convert to fraction form
    322.36/444.90 = 273.04/x
  3. Step 3: Cross multiply
    322.36x = 444.90 × 273.04
  4. Step 4: Simplify right side
    322.36x = 121,475.50
  5. Step 5: Solve for x
    x = 121,475.50/322.36
  6. Step 6: Final answer
    x = 376.83

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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.