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Finding the Fourth Proportional to 373,768.86, 515,793.60 and 204,004.20

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Solution

The fourth proportional to 373,768.86, 515,793.60 and 204,004.20 is: 281,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,768.86 : 515,793.60 = 204,004.20 : x
  2. Step 2: Convert to fraction form
    373,768.86/515,793.60 = 204,004.20/x
  3. Step 3: Cross multiply
    373,768.86x = 515,793.60 × 204,004.20
  4. Step 4: Simplify right side
    373,768.86x = 105,224,060,733.12
  5. Step 5: Solve for x
    x = 105,224,060,733.12/373,768.86
  6. Step 6: Final answer
    x = 281,521.74

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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.