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Finding the Fourth Proportional to 296.76, 444.90 and 134.64

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Solution

The fourth proportional to 296.76, 444.90 and 134.64 is: 201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.76 : 444.90 = 134.64 : x
  2. Step 2: Convert to fraction form
    296.76/444.90 = 134.64/x
  3. Step 3: Cross multiply
    296.76x = 444.90 × 134.64
  4. Step 4: Simplify right side
    296.76x = 59,901.34
  5. Step 5: Solve for x
    x = 59,901.34/296.76
  6. Step 6: Final answer
    x = 201.85

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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.