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Finding the Fourth Proportional to 374,709.65, 517,103.39 and 204,940.13

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Solution

The fourth proportional to 374,709.65, 517,103.39 and 204,940.13 is: 282,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,709.65 : 517,103.39 = 204,940.13 : x
  2. Step 2: Convert to fraction form
    374,709.65/517,103.39 = 204,940.13/x
  3. Step 3: Cross multiply
    374,709.65x = 517,103.39 × 204,940.13
  4. Step 4: Simplify right side
    374,709.65x = 105,975,233,896.87
  5. Step 5: Solve for x
    x = 105,975,233,896.87/374,709.65
  6. Step 6: Final answer
    x = 282,819.61

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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.