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Finding the Fourth Proportional to 3,752,397.22, 5,178,863.56 and 2,375,868.67

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Solution

The fourth proportional to 3,752,397.22, 5,178,863.56 and 2,375,868.67 is: 3,279,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752,397.22 : 5,178,863.56 = 2,375,868.67 : x
  2. Step 2: Convert to fraction form
    3,752,397.22/5,178,863.56 = 2,375,868.67/x
  3. Step 3: Cross multiply
    3,752,397.22x = 5,178,863.56 × 2,375,868.67
  4. Step 4: Simplify right side
    3,752,397.22x = 12,304,299,659,521.83
  5. Step 5: Solve for x
    x = 12,304,299,659,521.83/3,752,397.22
  6. Step 6: Final answer
    x = 3,279,050.42

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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.