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Finding the Fourth Proportional to 603,227.63, 904,994.60 and 279,249.29

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Solution

The fourth proportional to 603,227.63, 904,994.60 and 279,249.29 is: 418,944.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,227.63 : 904,994.60 = 279,249.29 : x
  2. Step 2: Convert to fraction form
    603,227.63/904,994.60 = 279,249.29/x
  3. Step 3: Cross multiply
    603,227.63x = 904,994.60 × 279,249.29
  4. Step 4: Simplify right side
    603,227.63x = 252,719,099,503.83
  5. Step 5: Solve for x
    x = 252,719,099,503.83/603,227.63
  6. Step 6: Final answer
    x = 418,944.83

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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.