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Finding the Fourth Proportional to 481,351.26, 722,137.62 and 161,545.57

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Solution

The fourth proportional to 481,351.26, 722,137.62 and 161,545.57 is: 242,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,351.26 : 722,137.62 = 161,545.57 : x
  2. Step 2: Convert to fraction form
    481,351.26/722,137.62 = 161,545.57/x
  3. Step 3: Cross multiply
    481,351.26x = 722,137.62 × 161,545.57
  4. Step 4: Simplify right side
    481,351.26x = 116,658,133,441.34
  5. Step 5: Solve for x
    x = 116,658,133,441.34/481,351.26
  6. Step 6: Final answer
    x = 242,355.52

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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.