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Finding the Fourth Proportional to 303,049.27, 454,624.94 and 92,638

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Solution

The fourth proportional to 303,049.27, 454,624.94 and 92,638 is: 138,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,049.27 : 454,624.94 = 92,638 : x
  2. Step 2: Convert to fraction form
    303,049.27/454,624.94 = 92,638/x
  3. Step 3: Cross multiply
    303,049.27x = 454,624.94 × 92,638
  4. Step 4: Simplify right side
    303,049.27x = 42,115,545,191.72
  5. Step 5: Solve for x
    x = 42,115,545,191.72/303,049.27
  6. Step 6: Final answer
    x = 138,972.60

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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.