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Finding the Fourth Proportional to 522,187.62, 720,616.41 and 295,832.58

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Solution

The fourth proportional to 522,187.62, 720,616.41 and 295,832.58 is: 408,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,187.62 : 720,616.41 = 295,832.58 : x
  2. Step 2: Convert to fraction form
    522,187.62/720,616.41 = 295,832.58/x
  3. Step 3: Cross multiply
    522,187.62x = 720,616.41 × 295,832.58
  4. Step 4: Simplify right side
    522,187.62x = 213,181,811,760.64
  5. Step 5: Solve for x
    x = 213,181,811,760.64/522,187.62
  6. Step 6: Final answer
    x = 408,247.54

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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.