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Finding the Fourth Proportional to 271,673,994.60, 407,510,991.90 and 252,542,118.60

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Solution

The fourth proportional to 271,673,994.60, 407,510,991.90 and 252,542,118.60 is: 378,813,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,673,994.60 : 407,510,991.90 = 252,542,118.60 : x
  2. Step 2: Convert to fraction form
    271,673,994.60/407,510,991.90 = 252,542,118.60/x
  3. Step 3: Cross multiply
    271,673,994.60x = 407,510,991.90 × 252,542,118.60
  4. Step 4: Simplify right side
    271,673,994.60x = 102,913,689,247,213,424
  5. Step 5: Solve for x
    x = 102,913,689,247,213,424/271,673,994.60
  6. Step 6: Final answer
    x = 378,813,177.90

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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.