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Finding the Fourth Proportional to 268.26, 402.57 and 244.50

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Solution

The fourth proportional to 268.26, 402.57 and 244.50 is: 366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.26 : 402.57 = 244.50 : x
  2. Step 2: Convert to fraction form
    268.26/402.57 = 244.50/x
  3. Step 3: Cross multiply
    268.26x = 402.57 × 244.50
  4. Step 4: Simplify right side
    268.26x = 98,428.37
  5. Step 5: Solve for x
    x = 98,428.37/268.26
  6. Step 6: Final answer
    x = 366.91

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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.