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Finding the Fourth Proportional to 296.36, 444.62 and 113.81

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Solution

The fourth proportional to 296.36, 444.62 and 113.81 is: 170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.36 : 444.62 = 113.81 : x
  2. Step 2: Convert to fraction form
    296.36/444.62 = 113.81/x
  3. Step 3: Cross multiply
    296.36x = 444.62 × 113.81
  4. Step 4: Simplify right side
    296.36x = 50,602.20
  5. Step 5: Solve for x
    x = 50,602.20/296.36
  6. Step 6: Final answer
    x = 170.75

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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.