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Finding the Fourth Proportional to 446,724.60, 670,205.70 and 193,896.60

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Solution

The fourth proportional to 446,724.60, 670,205.70 and 193,896.60 is: 290,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,724.60 : 670,205.70 = 193,896.60 : x
  2. Step 2: Convert to fraction form
    446,724.60/670,205.70 = 193,896.60/x
  3. Step 3: Cross multiply
    446,724.60x = 670,205.70 × 193,896.60
  4. Step 4: Simplify right side
    446,724.60x = 129,950,606,530.62
  5. Step 5: Solve for x
    x = 129,950,606,530.62/446,724.60
  6. Step 6: Final answer
    x = 290,896.46

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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.