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Finding the Fourth Proportional to 600,372.56, 900,912.43 and 221,559.86

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Solution

The fourth proportional to 600,372.56, 900,912.43 and 221,559.86 is: 332,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,372.56 : 900,912.43 = 221,559.86 : x
  2. Step 2: Convert to fraction form
    600,372.56/900,912.43 = 221,559.86/x
  3. Step 3: Cross multiply
    600,372.56x = 900,912.43 × 221,559.86
  4. Step 4: Simplify right side
    600,372.56x = 199,606,028,078.38
  5. Step 5: Solve for x
    x = 199,606,028,078.38/600,372.56
  6. Step 6: Final answer
    x = 332,470.27

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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.