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Finding the Fourth Proportional to 273.92, 377.98 and 175.69

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Solution

The fourth proportional to 273.92, 377.98 and 175.69 is: 242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.92 : 377.98 = 175.69 : x
  2. Step 2: Convert to fraction form
    273.92/377.98 = 175.69/x
  3. Step 3: Cross multiply
    273.92x = 377.98 × 175.69
  4. Step 4: Simplify right side
    273.92x = 66,405.92
  5. Step 5: Solve for x
    x = 66,405.92/273.92
  6. Step 6: Final answer
    x = 242.43

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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.