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Finding the Fourth Proportional to 273,669.30, 409,519.80 and 185,095.80

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Solution

The fourth proportional to 273,669.30, 409,519.80 and 185,095.80 is: 276,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,669.30 : 409,519.80 = 185,095.80 : x
  2. Step 2: Convert to fraction form
    273,669.30/409,519.80 = 185,095.80/x
  3. Step 3: Cross multiply
    273,669.30x = 409,519.80 × 185,095.80
  4. Step 4: Simplify right side
    273,669.30x = 75,800,394,996.84
  5. Step 5: Solve for x
    x = 75,800,394,996.84/273,669.30
  6. Step 6: Final answer
    x = 276,978.07

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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.