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Finding the Fourth Proportional to 632,659,771.28, 873,004,018.65 and 350,394,817.97

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Solution

The fourth proportional to 632,659,771.28, 873,004,018.65 and 350,394,817.97 is: 483,508,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,659,771.28 : 873,004,018.65 = 350,394,817.97 : x
  2. Step 2: Convert to fraction form
    632,659,771.28/873,004,018.65 = 350,394,817.97/x
  3. Step 3: Cross multiply
    632,659,771.28x = 873,004,018.65 × 350,394,817.97
  4. Step 4: Simplify right side
    632,659,771.28x = 305,896,084,204,127,744
  5. Step 5: Solve for x
    x = 305,896,084,204,127,744/632,659,771.28
  6. Step 6: Final answer
    x = 483,508,037.16

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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.