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Finding the Fourth Proportional to 296.82, 444.86 and 104.22

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Solution

The fourth proportional to 296.82, 444.86 and 104.22 is: 156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.82 : 444.86 = 104.22 : x
  2. Step 2: Convert to fraction form
    296.82/444.86 = 104.22/x
  3. Step 3: Cross multiply
    296.82x = 444.86 × 104.22
  4. Step 4: Simplify right side
    296.82x = 46,363.31
  5. Step 5: Solve for x
    x = 46,363.31/296.82
  6. Step 6: Final answer
    x = 156.20

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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.