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Finding the Fourth Proportional to 381,960.58, 526,872.06 and 226,806.70

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Solution

The fourth proportional to 381,960.58, 526,872.06 and 226,806.70 is: 312,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,960.58 : 526,872.06 = 226,806.70 : x
  2. Step 2: Convert to fraction form
    381,960.58/526,872.06 = 226,806.70/x
  3. Step 3: Cross multiply
    381,960.58x = 526,872.06 × 226,806.70
  4. Step 4: Simplify right side
    381,960.58x = 119,498,113,250.80
  5. Step 5: Solve for x
    x = 119,498,113,250.80/381,960.58
  6. Step 6: Final answer
    x = 312,854.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.