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Finding the Fourth Proportional to 435,896.16, 601,805.07 and 345,616.80

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Solution

The fourth proportional to 435,896.16, 601,805.07 and 345,616.80 is: 477,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,896.16 : 601,805.07 = 345,616.80 : x
  2. Step 2: Convert to fraction form
    435,896.16/601,805.07 = 345,616.80/x
  3. Step 3: Cross multiply
    435,896.16x = 601,805.07 × 345,616.80
  4. Step 4: Simplify right side
    435,896.16x = 207,993,942,517.18
  5. Step 5: Solve for x
    x = 207,993,942,517.18/435,896.16
  6. Step 6: Final answer
    x = 477,163.97

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1.5x scale

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.