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Finding the Fourth Proportional to 273.36, 377.40 and 246

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Solution

The fourth proportional to 273.36, 377.40 and 246 is: 339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.36 : 377.40 = 246 : x
  2. Step 2: Convert to fraction form
    273.36/377.40 = 246/x
  3. Step 3: Cross multiply
    273.36x = 377.40 × 246
  4. Step 4: Simplify right side
    273.36x = 92,840.40
  5. Step 5: Solve for x
    x = 92,840.40/273.36
  6. Step 6: Final answer
    x = 339.63

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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.