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Finding the Fourth Proportional to 796.68, 1,194.57 and 248.72

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Solution

The fourth proportional to 796.68, 1,194.57 and 248.72 is: 372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.68 : 1,194.57 = 248.72 : x
  2. Step 2: Convert to fraction form
    796.68/1,194.57 = 248.72/x
  3. Step 3: Cross multiply
    796.68x = 1,194.57 × 248.72
  4. Step 4: Simplify right side
    796.68x = 297,107.48
  5. Step 5: Solve for x
    x = 297,107.48/796.68
  6. Step 6: Final answer
    x = 372.93

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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.