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Finding the Fourth Proportional to 613,193.52, 919,794.39 and 213,832.74

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Solution

The fourth proportional to 613,193.52, 919,794.39 and 213,832.74 is: 320,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,193.52 : 919,794.39 = 213,832.74 : x
  2. Step 2: Convert to fraction form
    613,193.52/919,794.39 = 213,832.74/x
  3. Step 3: Cross multiply
    613,193.52x = 919,794.39 × 213,832.74
  4. Step 4: Simplify right side
    613,193.52x = 196,682,157,297.69
  5. Step 5: Solve for x
    x = 196,682,157,297.69/613,193.52
  6. Step 6: Final answer
    x = 320,750.55

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1.5x scale

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.