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Finding the Fourth Proportional to 273,424.10, 410,136.15 and 173,040.80

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Solution

The fourth proportional to 273,424.10, 410,136.15 and 173,040.80 is: 259,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,424.10 : 410,136.15 = 173,040.80 : x
  2. Step 2: Convert to fraction form
    273,424.10/410,136.15 = 173,040.80/x
  3. Step 3: Cross multiply
    273,424.10x = 410,136.15 × 173,040.80
  4. Step 4: Simplify right side
    273,424.10x = 70,970,287,504.92
  5. Step 5: Solve for x
    x = 70,970,287,504.92/273,424.10
  6. Step 6: Final answer
    x = 259,561.20

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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.