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Finding the Fourth Proportional to 447,896.43, 618,097.11 and 246,692.43

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Solution

The fourth proportional to 447,896.43, 618,097.11 and 246,692.43 is: 340,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,896.43 : 618,097.11 = 246,692.43 : x
  2. Step 2: Convert to fraction form
    447,896.43/618,097.11 = 246,692.43/x
  3. Step 3: Cross multiply
    447,896.43x = 618,097.11 × 246,692.43
  4. Step 4: Simplify right side
    447,896.43x = 152,479,878,041.88
  5. Step 5: Solve for x
    x = 152,479,878,041.88/447,896.43
  6. Step 6: Final answer
    x = 340,435.57

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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.