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Finding the Fourth Proportional to 283.68, 391.77 and 244.26

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Solution

The fourth proportional to 283.68, 391.77 and 244.26 is: 337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.68 : 391.77 = 244.26 : x
  2. Step 2: Convert to fraction form
    283.68/391.77 = 244.26/x
  3. Step 3: Cross multiply
    283.68x = 391.77 × 244.26
  4. Step 4: Simplify right side
    283.68x = 95,693.74
  5. Step 5: Solve for x
    x = 95,693.74/283.68
  6. Step 6: Final answer
    x = 337.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.