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Finding the Fourth Proportional to 504,010.80, 757,571.40 and 494,679.60

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Solution

The fourth proportional to 504,010.80, 757,571.40 and 494,679.60 is: 743,545.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.80 : 757,571.40 = 494,679.60 : x
  2. Step 2: Convert to fraction form
    504,010.80/757,571.40 = 494,679.60/x
  3. Step 3: Cross multiply
    504,010.80x = 757,571.40 × 494,679.60
  4. Step 4: Simplify right side
    504,010.80x = 374,755,117,123.44
  5. Step 5: Solve for x
    x = 374,755,117,123.44/504,010.80
  6. Step 6: Final answer
    x = 743,545.81

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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.