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Finding the Fourth Proportional to 589,906.86, 886,052.61 and 353,697.90

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Solution

The fourth proportional to 589,906.86, 886,052.61 and 353,697.90 is: 531,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,906.86 : 886,052.61 = 353,697.90 : x
  2. Step 2: Convert to fraction form
    589,906.86/886,052.61 = 353,697.90/x
  3. Step 3: Cross multiply
    589,906.86x = 886,052.61 × 353,697.90
  4. Step 4: Simplify right side
    589,906.86x = 313,394,947,446.52
  5. Step 5: Solve for x
    x = 313,394,947,446.52/589,906.86
  6. Step 6: Final answer
    x = 531,261.74

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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.