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Finding the Fourth Proportional to 325,336.70, 448,900.83 and 204,407.92

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Solution

The fourth proportional to 325,336.70, 448,900.83 and 204,407.92 is: 282,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,336.70 : 448,900.83 = 204,407.92 : x
  2. Step 2: Convert to fraction form
    325,336.70/448,900.83 = 204,407.92/x
  3. Step 3: Cross multiply
    325,336.70x = 448,900.83 × 204,407.92
  4. Step 4: Simplify right side
    325,336.70x = 91,758,884,946.57
  5. Step 5: Solve for x
    x = 91,758,884,946.57/325,336.70
  6. Step 6: Final answer
    x = 282,042.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.