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Finding the Fourth Proportional to 296.49, 444.68 and 80.02

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Solution

The fourth proportional to 296.49, 444.68 and 80.02 is: 120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.49 : 444.68 = 80.02 : x
  2. Step 2: Convert to fraction form
    296.49/444.68 = 80.02/x
  3. Step 3: Cross multiply
    296.49x = 444.68 × 80.02
  4. Step 4: Simplify right side
    296.49x = 35,581.25
  5. Step 5: Solve for x
    x = 35,581.25/296.49
  6. Step 6: Final answer
    x = 120.01

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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.