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Finding the Fourth Proportional to 796.78, 1,194.96 and 248.95

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Solution

The fourth proportional to 796.78, 1,194.96 and 248.95 is: 373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.78 : 1,194.96 = 248.95 : x
  2. Step 2: Convert to fraction form
    796.78/1,194.96 = 248.95/x
  3. Step 3: Cross multiply
    796.78x = 1,194.96 × 248.95
  4. Step 4: Simplify right side
    796.78x = 297,485.29
  5. Step 5: Solve for x
    x = 297,485.29/796.78
  6. Step 6: Final answer
    x = 373.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.