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Finding the Fourth Proportional to 608,021.73, 839,073.33 and 332,379.81

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Solution

The fourth proportional to 608,021.73, 839,073.33 and 332,379.81 is: 458,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,021.73 : 839,073.33 = 332,379.81 : x
  2. Step 2: Convert to fraction form
    608,021.73/839,073.33 = 332,379.81/x
  3. Step 3: Cross multiply
    608,021.73x = 839,073.33 × 332,379.81
  4. Step 4: Simplify right side
    608,021.73x = 278,891,034,001.47
  5. Step 5: Solve for x
    x = 278,891,034,001.47/608,021.73
  6. Step 6: Final answer
    x = 458,685.97

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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.