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Finding the Fourth Proportional to 283,260.81, 425,309.99 and 189,077.79

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Solution

The fourth proportional to 283,260.81, 425,309.99 and 189,077.79 is: 283,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,260.81 : 425,309.99 = 189,077.79 : x
  2. Step 2: Convert to fraction form
    283,260.81/425,309.99 = 189,077.79/x
  3. Step 3: Cross multiply
    283,260.81x = 425,309.99 × 189,077.79
  4. Step 4: Simplify right side
    283,260.81x = 80,416,672,028.73
  5. Step 5: Solve for x
    x = 80,416,672,028.73/283,260.81
  6. Step 6: Final answer
    x = 283,896.22

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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.