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Finding the Fourth Proportional to 296.83, 445.43 and 104.59

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Solution

The fourth proportional to 296.83, 445.43 and 104.59 is: 156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.83 : 445.43 = 104.59 : x
  2. Step 2: Convert to fraction form
    296.83/445.43 = 104.59/x
  3. Step 3: Cross multiply
    296.83x = 445.43 × 104.59
  4. Step 4: Simplify right side
    296.83x = 46,587.52
  5. Step 5: Solve for x
    x = 46,587.52/296.83
  6. Step 6: Final answer
    x = 156.95

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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.