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Finding the Fourth Proportional to 773,912.36, 1,067,940.51 and 434,315

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Solution

The fourth proportional to 773,912.36, 1,067,940.51 and 434,315 is: 599,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,912.36 : 1,067,940.51 = 434,315 : x
  2. Step 2: Convert to fraction form
    773,912.36/1,067,940.51 = 434,315/x
  3. Step 3: Cross multiply
    773,912.36x = 1,067,940.51 × 434,315
  4. Step 4: Simplify right side
    773,912.36x = 463,822,582,600.65
  5. Step 5: Solve for x
    x = 463,822,582,600.65/773,912.36
  6. Step 6: Final answer
    x = 599,321.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.