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Finding the Fourth Proportional to 296.13, 444.15 and 103.74

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Solution

The fourth proportional to 296.13, 444.15 and 103.74 is: 155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.13 : 444.15 = 103.74 : x
  2. Step 2: Convert to fraction form
    296.13/444.15 = 103.74/x
  3. Step 3: Cross multiply
    296.13x = 444.15 × 103.74
  4. Step 4: Simplify right side
    296.13x = 46,076.12
  5. Step 5: Solve for x
    x = 46,076.12/296.13
  6. Step 6: Final answer
    x = 155.59

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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.