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Finding the Fourth Proportional to 376,668.69, 519,806.61 and 204,588.32

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Solution

The fourth proportional to 376,668.69, 519,806.61 and 204,588.32 is: 282,333.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,668.69 : 519,806.61 = 204,588.32 : x
  2. Step 2: Convert to fraction form
    376,668.69/519,806.61 = 204,588.32/x
  3. Step 3: Cross multiply
    376,668.69x = 519,806.61 × 204,588.32
  4. Step 4: Simplify right side
    376,668.69x = 106,346,361,064.80
  5. Step 5: Solve for x
    x = 106,346,361,064.80/376,668.69
  6. Step 6: Final answer
    x = 282,333.96

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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.