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Finding the Fourth Proportional to 323,063.72, 445,869.77 and 185,296.38

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Solution

The fourth proportional to 323,063.72, 445,869.77 and 185,296.38 is: 255,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,063.72 : 445,869.77 = 185,296.38 : x
  2. Step 2: Convert to fraction form
    323,063.72/445,869.77 = 185,296.38/x
  3. Step 3: Cross multiply
    323,063.72x = 445,869.77 × 185,296.38
  4. Step 4: Simplify right side
    323,063.72x = 82,618,055,495.97
  5. Step 5: Solve for x
    x = 82,618,055,495.97/323,063.72
  6. Step 6: Final answer
    x = 255,733.01

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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.