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Finding the Fourth Proportional to 467,793.56, 645,850.30 and 324,503.48

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Solution

The fourth proportional to 467,793.56, 645,850.30 and 324,503.48 is: 448,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,793.56 : 645,850.30 = 324,503.48 : x
  2. Step 2: Convert to fraction form
    467,793.56/645,850.30 = 324,503.48/x
  3. Step 3: Cross multiply
    467,793.56x = 645,850.30 × 324,503.48
  4. Step 4: Simplify right side
    467,793.56x = 209,580,669,909.04
  5. Step 5: Solve for x
    x = 209,580,669,909.04/467,793.56
  6. Step 6: Final answer
    x = 448,019.57

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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.