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Finding the Fourth Proportional to 296.04, 443.90 and 141.87

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Solution

The fourth proportional to 296.04, 443.90 and 141.87 is: 212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.04 : 443.90 = 141.87 : x
  2. Step 2: Convert to fraction form
    296.04/443.90 = 141.87/x
  3. Step 3: Cross multiply
    296.04x = 443.90 × 141.87
  4. Step 4: Simplify right side
    296.04x = 62,976.09
  5. Step 5: Solve for x
    x = 62,976.09/296.04
  6. Step 6: Final answer
    x = 212.73

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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.