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Finding the Fourth Proportional to 296.35, 444.51 and 79.93

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Solution

The fourth proportional to 296.35, 444.51 and 79.93 is: 119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.35 : 444.51 = 79.93 : x
  2. Step 2: Convert to fraction form
    296.35/444.51 = 79.93/x
  3. Step 3: Cross multiply
    296.35x = 444.51 × 79.93
  4. Step 4: Simplify right side
    296.35x = 35,529.68
  5. Step 5: Solve for x
    x = 35,529.68/296.35
  6. Step 6: Final answer
    x = 119.89

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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.