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Finding the Fourth Proportional to 273.99, 378.37 and 175.92

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Solution

The fourth proportional to 273.99, 378.37 and 175.92 is: 242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.99 : 378.37 = 175.92 : x
  2. Step 2: Convert to fraction form
    273.99/378.37 = 175.92/x
  3. Step 3: Cross multiply
    273.99x = 378.37 × 175.92
  4. Step 4: Simplify right side
    273.99x = 66,561.97
  5. Step 5: Solve for x
    x = 66,561.97/273.99
  6. Step 6: Final answer
    x = 242.94

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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.