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Finding the Fourth Proportional to 296.24, 444.08 and 103.76

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Solution

The fourth proportional to 296.24, 444.08 and 103.76 is: 155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.24 : 444.08 = 103.76 : x
  2. Step 2: Convert to fraction form
    296.24/444.08 = 103.76/x
  3. Step 3: Cross multiply
    296.24x = 444.08 × 103.76
  4. Step 4: Simplify right side
    296.24x = 46,077.74
  5. Step 5: Solve for x
    x = 46,077.74/296.24
  6. Step 6: Final answer
    x = 155.54

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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.