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Finding the Fourth Proportional to 432,850.95, 649,276.43 and 273,418.65

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Solution

The fourth proportional to 432,850.95, 649,276.43 and 273,418.65 is: 410,127.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,850.95 : 649,276.43 = 273,418.65 : x
  2. Step 2: Convert to fraction form
    432,850.95/649,276.43 = 273,418.65/x
  3. Step 3: Cross multiply
    432,850.95x = 649,276.43 × 273,418.65
  4. Step 4: Simplify right side
    432,850.95x = 177,524,283,600.33
  5. Step 5: Solve for x
    x = 177,524,283,600.33/432,850.95
  6. Step 6: Final answer
    x = 410,127.98

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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.