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Finding the Fourth Proportional to 796.61, 1,194.87 and 248.75

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Solution

The fourth proportional to 796.61, 1,194.87 and 248.75 is: 373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.61 : 1,194.87 = 248.75 : x
  2. Step 2: Convert to fraction form
    796.61/1,194.87 = 248.75/x
  3. Step 3: Cross multiply
    796.61x = 1,194.87 × 248.75
  4. Step 4: Simplify right side
    796.61x = 297,223.91
  5. Step 5: Solve for x
    x = 297,223.91/796.61
  6. Step 6: Final answer
    x = 373.11

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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.