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Finding the Fourth Proportional to 296.50, 444.73 and 80.08

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Solution

The fourth proportional to 296.50, 444.73 and 80.08 is: 120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.50 : 444.73 = 80.08 : x
  2. Step 2: Convert to fraction form
    296.50/444.73 = 80.08/x
  3. Step 3: Cross multiply
    296.50x = 444.73 × 80.08
  4. Step 4: Simplify right side
    296.50x = 35,613.98
  5. Step 5: Solve for x
    x = 35,613.98/296.50
  6. Step 6: Final answer
    x = 120.11

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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.