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Finding the Fourth Proportional to 271,981,040.60, 407,103,540.60 and 214,585,412.60

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Solution

The fourth proportional to 271,981,040.60, 407,103,540.60 and 214,585,412.60 is: 321,193,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,981,040.60 : 407,103,540.60 = 214,585,412.60 : x
  2. Step 2: Convert to fraction form
    271,981,040.60/407,103,540.60 = 214,585,412.60/x
  3. Step 3: Cross multiply
    271,981,040.60x = 407,103,540.60 × 214,585,412.60
  4. Step 4: Simplify right side
    271,981,040.60x = 87,358,481,230,571,856
  5. Step 5: Solve for x
    x = 87,358,481,230,571,856/271,981,040.60
  6. Step 6: Final answer
    x = 321,193,275.23

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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.