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Finding the Fourth Proportional to 393,383.01, 588,805.61 and 203,582.26

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Solution

The fourth proportional to 393,383.01, 588,805.61 and 203,582.26 is: 304,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,383.01 : 588,805.61 = 203,582.26 : x
  2. Step 2: Convert to fraction form
    393,383.01/588,805.61 = 203,582.26/x
  3. Step 3: Cross multiply
    393,383.01x = 588,805.61 × 203,582.26
  4. Step 4: Simplify right side
    393,383.01x = 119,870,376,502.57
  5. Step 5: Solve for x
    x = 119,870,376,502.57/393,383.01
  6. Step 6: Final answer
    x = 304,716.71

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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.