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Finding the Fourth Proportional to 606,428,792.78, 836,872,292.03 and 327,970,316.30

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Solution

The fourth proportional to 606,428,792.78, 836,872,292.03 and 327,970,316.30 is: 452,599,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,428,792.78 : 836,872,292.03 = 327,970,316.30 : x
  2. Step 2: Convert to fraction form
    606,428,792.78/836,872,292.03 = 327,970,316.30/x
  3. Step 3: Cross multiply
    606,428,792.78x = 836,872,292.03 × 327,970,316.30
  4. Step 4: Simplify right side
    606,428,792.78x = 274,469,270,313,960,864
  5. Step 5: Solve for x
    x = 274,469,270,313,960,864/606,428,792.78
  6. Step 6: Final answer
    x = 452,599,338.26

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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.