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Finding the Fourth Proportional to 489,092.40, 733,638.60 and 444,805.65

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Solution

The fourth proportional to 489,092.40, 733,638.60 and 444,805.65 is: 667,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,092.40 : 733,638.60 = 444,805.65 : x
  2. Step 2: Convert to fraction form
    489,092.40/733,638.60 = 444,805.65/x
  3. Step 3: Cross multiply
    489,092.40x = 733,638.60 × 444,805.65
  4. Step 4: Simplify right side
    489,092.40x = 326,326,594,338.09
  5. Step 5: Solve for x
    x = 326,326,594,338.09/489,092.40
  6. Step 6: Final answer
    x = 667,208.48

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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.