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Finding the Fourth Proportional to 590,627.20, 886,596.90 and 324,906.70

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Solution

The fourth proportional to 590,627.20, 886,596.90 and 324,906.70 is: 487,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,627.20 : 886,596.90 = 324,906.70 : x
  2. Step 2: Convert to fraction form
    590,627.20/886,596.90 = 324,906.70/x
  3. Step 3: Cross multiply
    590,627.20x = 886,596.90 × 324,906.70
  4. Step 4: Simplify right side
    590,627.20x = 288,061,273,009.23
  5. Step 5: Solve for x
    x = 288,061,273,009.23/590,627.20
  6. Step 6: Final answer
    x = 487,720.97

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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.