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Finding the Fourth Proportional to 481,566.80, 721,572.60 and 303,755.60

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Solution

The fourth proportional to 481,566.80, 721,572.60 and 303,755.60 is: 455,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,566.80 : 721,572.60 = 303,755.60 : x
  2. Step 2: Convert to fraction form
    481,566.80/721,572.60 = 303,755.60/x
  3. Step 3: Cross multiply
    481,566.80x = 721,572.60 × 303,755.60
  4. Step 4: Simplify right side
    481,566.80x = 219,181,718,056.56
  5. Step 5: Solve for x
    x = 219,181,718,056.56/481,566.80
  6. Step 6: Final answer
    x = 455,142.92

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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.