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Finding the Fourth Proportional to 324,162.28, 486,260.70 and 102,529

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Solution

The fourth proportional to 324,162.28, 486,260.70 and 102,529 is: 153,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,162.28 : 486,260.70 = 102,529 : x
  2. Step 2: Convert to fraction form
    324,162.28/486,260.70 = 102,529/x
  3. Step 3: Cross multiply
    324,162.28x = 486,260.70 × 102,529
  4. Step 4: Simplify right side
    324,162.28x = 49,855,823,310.30
  5. Step 5: Solve for x
    x = 49,855,823,310.30/324,162.28
  6. Step 6: Final answer
    x = 153,798.97

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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.