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Finding the Fourth Proportional to 264,360.52, 396,190.86 and 193,909.96

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Solution

The fourth proportional to 264,360.52, 396,190.86 and 193,909.96 is: 290,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,360.52 : 396,190.86 = 193,909.96 : x
  2. Step 2: Convert to fraction form
    264,360.52/396,190.86 = 193,909.96/x
  3. Step 3: Cross multiply
    264,360.52x = 396,190.86 × 193,909.96
  4. Step 4: Simplify right side
    264,360.52x = 76,825,353,814.97
  5. Step 5: Solve for x
    x = 76,825,353,814.97/264,360.52
  6. Step 6: Final answer
    x = 290,608.27

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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.