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Finding the Fourth Proportional to 605,361,846.20, 906,607,878.60 and 605,361,846.20

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Solution

The fourth proportional to 605,361,846.20, 906,607,878.60 and 605,361,846.20 is: 906,607,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,361,846.20 : 906,607,878.60 = 605,361,846.20 : x
  2. Step 2: Convert to fraction form
    605,361,846.20/906,607,878.60 = 605,361,846.20/x
  3. Step 3: Cross multiply
    605,361,846.20x = 906,607,878.60 × 605,361,846.20
  4. Step 4: Simplify right side
    605,361,846.20x = 548,825,819,168,761,536
  5. Step 5: Solve for x
    x = 548,825,819,168,761,536/605,361,846.20
  6. Step 6: Final answer
    x = 906,607,878.60

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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.