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Finding the Fourth Proportional to 437,229,244.80, 655,749,388.80 and 191,585,404.80

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Solution

The fourth proportional to 437,229,244.80, 655,749,388.80 and 191,585,404.80 is: 287,336,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,229,244.80 : 655,749,388.80 = 191,585,404.80 : x
  2. Step 2: Convert to fraction form
    437,229,244.80/655,749,388.80 = 191,585,404.80/x
  3. Step 3: Cross multiply
    437,229,244.80x = 655,749,388.80 × 191,585,404.80
  4. Step 4: Simplify right side
    437,229,244.80x = 125,632,012,100,600,592
  5. Step 5: Solve for x
    x = 125,632,012,100,600,592/437,229,244.80
  6. Step 6: Final answer
    x = 287,336,708.59

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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.