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Finding the Fourth Proportional to 444,891,805.60, 667,337,708.40 and 426,751,952.80

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Solution

The fourth proportional to 444,891,805.60, 667,337,708.40 and 426,751,952.80 is: 640,127,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,891,805.60 : 667,337,708.40 = 426,751,952.80 : x
  2. Step 2: Convert to fraction form
    444,891,805.60/667,337,708.40 = 426,751,952.80/x
  3. Step 3: Cross multiply
    444,891,805.60x = 667,337,708.40 × 426,751,952.80
  4. Step 4: Simplify right side
    444,891,805.60x = 284,787,670,236,776,960
  5. Step 5: Solve for x
    x = 284,787,670,236,776,960/444,891,805.60
  6. Step 6: Final answer
    x = 640,127,929.20

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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.