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Finding the Fourth Proportional to 273.38, 377.17 and 162.83

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Solution

The fourth proportional to 273.38, 377.17 and 162.83 is: 224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.38 : 377.17 = 162.83 : x
  2. Step 2: Convert to fraction form
    273.38/377.17 = 162.83/x
  3. Step 3: Cross multiply
    273.38x = 377.17 × 162.83
  4. Step 4: Simplify right side
    273.38x = 61,415.13
  5. Step 5: Solve for x
    x = 61,415.13/273.38
  6. Step 6: Final answer
    x = 224.66

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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.