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Finding the Fourth Proportional to 404,578.80, 607,524.30 and 272,046.60

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Solution

The fourth proportional to 404,578.80, 607,524.30 and 272,046.60 is: 408,511.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,578.80 : 607,524.30 = 272,046.60 : x
  2. Step 2: Convert to fraction form
    404,578.80/607,524.30 = 272,046.60/x
  3. Step 3: Cross multiply
    404,578.80x = 607,524.30 × 272,046.60
  4. Step 4: Simplify right side
    404,578.80x = 165,274,920,232.38
  5. Step 5: Solve for x
    x = 165,274,920,232.38/404,578.80
  6. Step 6: Final answer
    x = 408,511.07

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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.