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Finding the Fourth Proportional to 603,470.73, 905,205.96 and 154,192.44

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Solution

The fourth proportional to 603,470.73, 905,205.96 and 154,192.44 is: 231,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,470.73 : 905,205.96 = 154,192.44 : x
  2. Step 2: Convert to fraction form
    603,470.73/905,205.96 = 154,192.44/x
  3. Step 3: Cross multiply
    603,470.73x = 905,205.96 × 154,192.44
  4. Step 4: Simplify right side
    603,470.73x = 139,575,915,674.94
  5. Step 5: Solve for x
    x = 139,575,915,674.94/603,470.73
  6. Step 6: Final answer
    x = 231,288.63

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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.