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Finding the Fourth Proportional to 324,063.40, 486,095.10 and 204,489.18

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Solution

The fourth proportional to 324,063.40, 486,095.10 and 204,489.18 is: 306,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,063.40 : 486,095.10 = 204,489.18 : x
  2. Step 2: Convert to fraction form
    324,063.40/486,095.10 = 204,489.18/x
  3. Step 3: Cross multiply
    324,063.40x = 486,095.10 × 204,489.18
  4. Step 4: Simplify right side
    324,063.40x = 99,401,185,970.54
  5. Step 5: Solve for x
    x = 99,401,185,970.54/324,063.40
  6. Step 6: Final answer
    x = 306,733.76

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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.