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Finding the Fourth Proportional to 379,708.04, 570,447.84 and 222,047.48

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Solution

The fourth proportional to 379,708.04, 570,447.84 and 222,047.48 is: 333,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,708.04 : 570,447.84 = 222,047.48 : x
  2. Step 2: Convert to fraction form
    379,708.04/570,447.84 = 222,047.48/x
  3. Step 3: Cross multiply
    379,708.04x = 570,447.84 × 222,047.48
  4. Step 4: Simplify right side
    379,708.04x = 126,666,505,343.44
  5. Step 5: Solve for x
    x = 126,666,505,343.44/379,708.04
  6. Step 6: Final answer
    x = 333,589.21

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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.