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Finding the Fourth Proportional to 481,350.76, 722,136.87 and 161,545.07

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Solution

The fourth proportional to 481,350.76, 722,136.87 and 161,545.07 is: 242,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,350.76 : 722,136.87 = 161,545.07 : x
  2. Step 2: Convert to fraction form
    481,350.76/722,136.87 = 161,545.07/x
  3. Step 3: Cross multiply
    481,350.76x = 722,136.87 × 161,545.07
  4. Step 4: Simplify right side
    481,350.76x = 116,657,651,213.73
  5. Step 5: Solve for x
    x = 116,657,651,213.73/481,350.76
  6. Step 6: Final answer
    x = 242,354.77

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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.