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Finding the Fourth Proportional to 796.39, 1,194.64 and 248.65

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Solution

The fourth proportional to 796.39, 1,194.64 and 248.65 is: 372.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.39 : 1,194.64 = 248.65 : x
  2. Step 2: Convert to fraction form
    796.39/1,194.64 = 248.65/x
  3. Step 3: Cross multiply
    796.39x = 1,194.64 × 248.65
  4. Step 4: Simplify right side
    796.39x = 297,043.63
  5. Step 5: Solve for x
    x = 297,043.63/796.39
  6. Step 6: Final answer
    x = 372.99

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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.