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Finding the Fourth Proportional to 441,643.80, 609,471.36 and 250,660.38

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Solution

The fourth proportional to 441,643.80, 609,471.36 and 250,660.38 is: 345,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,643.80 : 609,471.36 = 250,660.38 : x
  2. Step 2: Convert to fraction form
    441,643.80/609,471.36 = 250,660.38/x
  3. Step 3: Cross multiply
    441,643.80x = 609,471.36 × 250,660.38
  4. Step 4: Simplify right side
    441,643.80x = 152,770,322,696.72
  5. Step 5: Solve for x
    x = 152,770,322,696.72/441,643.80
  6. Step 6: Final answer
    x = 345,912.98

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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.