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Finding the Fourth Proportional to 444,852.83, 667,297.70 and 129,309.74

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Solution

The fourth proportional to 444,852.83, 667,297.70 and 129,309.74 is: 193,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,852.83 : 667,297.70 = 129,309.74 : x
  2. Step 2: Convert to fraction form
    444,852.83/667,297.70 = 129,309.74/x
  3. Step 3: Cross multiply
    444,852.83x = 667,297.70 × 129,309.74
  4. Step 4: Simplify right side
    444,852.83x = 86,288,092,089.60
  5. Step 5: Solve for x
    x = 86,288,092,089.60/444,852.83
  6. Step 6: Final answer
    x = 193,969.97

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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.