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Finding the Fourth Proportional to 616,938,601.82, 925,375,310.43 and 202,360,813.43

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Solution

The fourth proportional to 616,938,601.82, 925,375,310.43 and 202,360,813.43 is: 303,530,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,938,601.82 : 925,375,310.43 = 202,360,813.43 : x
  2. Step 2: Convert to fraction form
    616,938,601.82/925,375,310.43 = 202,360,813.43/x
  3. Step 3: Cross multiply
    616,938,601.82x = 925,375,310.43 × 202,360,813.43
  4. Step 4: Simplify right side
    616,938,601.82x = 187,259,700,546,653,568
  5. Step 5: Solve for x
    x = 187,259,700,546,653,568/616,938,601.82
  6. Step 6: Final answer
    x = 303,530,529.61

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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.