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Finding the Fourth Proportional to 556,029,375.45, 834,093,077.45 and 206,279,494.89

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Solution

The fourth proportional to 556,029,375.45, 834,093,077.45 and 206,279,494.89 is: 309,437,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,029,375.45 : 834,093,077.45 = 206,279,494.89 : x
  2. Step 2: Convert to fraction form
    556,029,375.45/834,093,077.45 = 206,279,494.89/x
  3. Step 3: Cross multiply
    556,029,375.45x = 834,093,077.45 × 206,279,494.89
  4. Step 4: Simplify right side
    556,029,375.45x = 172,056,298,706,600,256
  5. Step 5: Solve for x
    x = 172,056,298,706,600,256/556,029,375.45
  6. Step 6: Final answer
    x = 309,437,425.98

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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.