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Finding the Fourth Proportional to 603,732.52, 905,589.53 and 154,449.59

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Solution

The fourth proportional to 603,732.52, 905,589.53 and 154,449.59 is: 231,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,732.52 : 905,589.53 = 154,449.59 : x
  2. Step 2: Convert to fraction form
    603,732.52/905,589.53 = 154,449.59/x
  3. Step 3: Cross multiply
    603,732.52x = 905,589.53 × 154,449.59
  4. Step 4: Simplify right side
    603,732.52x = 139,867,927,764.56
  5. Step 5: Solve for x
    x = 139,867,927,764.56/603,732.52
  6. Step 6: Final answer
    x = 231,672.01

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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.