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Finding the Fourth Proportional to 335.22, 503.22 and 273.66

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Solution

The fourth proportional to 335.22, 503.22 and 273.66 is: 410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.22 : 503.22 = 273.66 : x
  2. Step 2: Convert to fraction form
    335.22/503.22 = 273.66/x
  3. Step 3: Cross multiply
    335.22x = 503.22 × 273.66
  4. Step 4: Simplify right side
    335.22x = 137,711.19
  5. Step 5: Solve for x
    x = 137,711.19/335.22
  6. Step 6: Final answer
    x = 410.81

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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.