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Finding the Fourth Proportional to 277,843,591.60, 416,659,449.83 and 93,561,590.21

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Solution

The fourth proportional to 277,843,591.60, 416,659,449.83 and 93,561,590.21 is: 140,306,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,843,591.60 : 416,659,449.83 = 93,561,590.21 : x
  2. Step 2: Convert to fraction form
    277,843,591.60/416,659,449.83 = 93,561,590.21/x
  3. Step 3: Cross multiply
    277,843,591.60x = 416,659,449.83 × 93,561,590.21
  4. Step 4: Simplify right side
    277,843,591.60x = 38,983,320,701,910,696
  5. Step 5: Solve for x
    x = 38,983,320,701,910,696/277,843,591.60
  6. Step 6: Final answer
    x = 140,306,711.69

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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.