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Finding the Fourth Proportional to 796.25, 1,194.96 and 283.25

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Solution

The fourth proportional to 796.25, 1,194.96 and 283.25 is: 425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.25 : 1,194.96 = 283.25 : x
  2. Step 2: Convert to fraction form
    796.25/1,194.96 = 283.25/x
  3. Step 3: Cross multiply
    796.25x = 1,194.96 × 283.25
  4. Step 4: Simplify right side
    796.25x = 338,472.42
  5. Step 5: Solve for x
    x = 338,472.42/796.25
  6. Step 6: Final answer
    x = 425.08

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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.