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Finding the Fourth Proportional to 835,616.13, 1,253,604.11 and 259,227.74

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Solution

The fourth proportional to 835,616.13, 1,253,604.11 and 259,227.74 is: 388,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,616.13 : 1,253,604.11 = 259,227.74 : x
  2. Step 2: Convert to fraction form
    835,616.13/1,253,604.11 = 259,227.74/x
  3. Step 3: Cross multiply
    835,616.13x = 1,253,604.11 × 259,227.74
  4. Step 4: Simplify right side
    835,616.13x = 324,968,963,586.04
  5. Step 5: Solve for x
    x = 324,968,963,586.04/835,616.13
  6. Step 6: Final answer
    x = 388,897.43

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1.5x scale

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.