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Finding the Fourth Proportional to 445,203.98, 667,883.73 and 195,879.50

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Solution

The fourth proportional to 445,203.98, 667,883.73 and 195,879.50 is: 293,853.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,203.98 : 667,883.73 = 195,879.50 : x
  2. Step 2: Convert to fraction form
    445,203.98/667,883.73 = 195,879.50/x
  3. Step 3: Cross multiply
    445,203.98x = 667,883.73 × 195,879.50
  4. Step 4: Simplify right side
    445,203.98x = 130,824,731,090.54
  5. Step 5: Solve for x
    x = 130,824,731,090.54/445,203.98
  6. Step 6: Final answer
    x = 293,853.46

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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.