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Finding the Fourth Proportional to 296.11, 444.12 and 141.79

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Solution

The fourth proportional to 296.11, 444.12 and 141.79 is: 212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.11 : 444.12 = 141.79 : x
  2. Step 2: Convert to fraction form
    296.11/444.12 = 141.79/x
  3. Step 3: Cross multiply
    296.11x = 444.12 × 141.79
  4. Step 4: Simplify right side
    296.11x = 62,971.77
  5. Step 5: Solve for x
    x = 62,971.77/296.11
  6. Step 6: Final answer
    x = 212.66

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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.