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Finding the Fourth Proportional to 624,819.24, 862,249.32 and 338,338.44

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Solution

The fourth proportional to 624,819.24, 862,249.32 and 338,338.44 is: 466,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,819.24 : 862,249.32 = 338,338.44 : x
  2. Step 2: Convert to fraction form
    624,819.24/862,249.32 = 338,338.44/x
  3. Step 3: Cross multiply
    624,819.24x = 862,249.32 × 338,338.44
  4. Step 4: Simplify right side
    624,819.24x = 291,732,089,819.86
  5. Step 5: Solve for x
    x = 291,732,089,819.86/624,819.24
  6. Step 6: Final answer
    x = 466,906.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.