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Finding the Fourth Proportional to 599,351.67, 898,905.87 and 220,142.07

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Solution

The fourth proportional to 599,351.67, 898,905.87 and 220,142.07 is: 330,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,351.67 : 898,905.87 = 220,142.07 : x
  2. Step 2: Convert to fraction form
    599,351.67/898,905.87 = 220,142.07/x
  3. Step 3: Cross multiply
    599,351.67x = 898,905.87 × 220,142.07
  4. Step 4: Simplify right side
    599,351.67x = 197,886,998,956.95
  5. Step 5: Solve for x
    x = 197,886,998,956.95/599,351.67
  6. Step 6: Final answer
    x = 330,168.43

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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.