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Finding the Fourth Proportional to 273.94, 377.94 and 175.66

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Solution

The fourth proportional to 273.94, 377.94 and 175.66 is: 242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.94 : 377.94 = 175.66 : x
  2. Step 2: Convert to fraction form
    273.94/377.94 = 175.66/x
  3. Step 3: Cross multiply
    273.94x = 377.94 × 175.66
  4. Step 4: Simplify right side
    273.94x = 66,388.94
  5. Step 5: Solve for x
    x = 66,388.94/273.94
  6. Step 6: Final answer
    x = 242.35

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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.