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Finding the Fourth Proportional to 574,648.73, 792,945.80 and 329,620.79

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Solution

The fourth proportional to 574,648.73, 792,945.80 and 329,620.79 is: 454,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,648.73 : 792,945.80 = 329,620.79 : x
  2. Step 2: Convert to fraction form
    574,648.73/792,945.80 = 329,620.79/x
  3. Step 3: Cross multiply
    574,648.73x = 792,945.80 × 329,620.79
  4. Step 4: Simplify right side
    574,648.73x = 261,371,424,447.64
  5. Step 5: Solve for x
    x = 261,371,424,447.64/574,648.73
  6. Step 6: Final answer
    x = 454,836.86

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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.