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Finding the Fourth Proportional to 4,138,906.76, 6,247,233.22 and 4,138,906.76

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Solution

The fourth proportional to 4,138,906.76, 6,247,233.22 and 4,138,906.76 is: 6,247,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,906.76 : 6,247,233.22 = 4,138,906.76 : x
  2. Step 2: Convert to fraction form
    4,138,906.76/6,247,233.22 = 4,138,906.76/x
  3. Step 3: Cross multiply
    4,138,906.76x = 6,247,233.22 × 4,138,906.76
  4. Step 4: Simplify right side
    4,138,906.76x = 25,856,715,805,554.57
  5. Step 5: Solve for x
    x = 25,856,715,805,554.57/4,138,906.76
  6. Step 6: Final answer
    x = 6,247,233.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.