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Finding the Fourth Proportional to 373,771.86, 515,797.74 and 204,007.20

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Solution

The fourth proportional to 373,771.86, 515,797.74 and 204,007.20 is: 281,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,771.86 : 515,797.74 = 204,007.20 : x
  2. Step 2: Convert to fraction form
    373,771.86/515,797.74 = 204,007.20/x
  3. Step 3: Cross multiply
    373,771.86x = 515,797.74 × 204,007.20
  4. Step 4: Simplify right side
    373,771.86x = 105,226,452,703.73
  5. Step 5: Solve for x
    x = 105,226,452,703.73/373,771.86
  6. Step 6: Final answer
    x = 281,525.88

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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.