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Finding the Fourth Proportional to 363,662.92, 501,819.06 and 202,511.80

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Solution

The fourth proportional to 363,662.92, 501,819.06 and 202,511.80 is: 279,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,662.92 : 501,819.06 = 202,511.80 : x
  2. Step 2: Convert to fraction form
    363,662.92/501,819.06 = 202,511.80/x
  3. Step 3: Cross multiply
    363,662.92x = 501,819.06 × 202,511.80
  4. Step 4: Simplify right side
    363,662.92x = 101,624,281,114.91
  5. Step 5: Solve for x
    x = 101,624,281,114.91/363,662.92
  6. Step 6: Final answer
    x = 279,446.37

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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.