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Finding the Fourth Proportional to 296.90, 444.97 and 134.25

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Solution

The fourth proportional to 296.90, 444.97 and 134.25 is: 201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.90 : 444.97 = 134.25 : x
  2. Step 2: Convert to fraction form
    296.90/444.97 = 134.25/x
  3. Step 3: Cross multiply
    296.90x = 444.97 × 134.25
  4. Step 4: Simplify right side
    296.90x = 59,736.55
  5. Step 5: Solve for x
    x = 59,736.55/296.90
  6. Step 6: Final answer
    x = 201.20

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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.