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Finding the Fourth Proportional to 428,164.44, 590,859.54 and 237,173.82

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Solution

The fourth proportional to 428,164.44, 590,859.54 and 237,173.82 is: 327,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,164.44 : 590,859.54 = 237,173.82 : x
  2. Step 2: Convert to fraction form
    428,164.44/590,859.54 = 237,173.82/x
  3. Step 3: Cross multiply
    428,164.44x = 590,859.54 × 237,173.82
  4. Step 4: Simplify right side
    428,164.44x = 140,136,414,185.24
  5. Step 5: Solve for x
    x = 140,136,414,185.24/428,164.44
  6. Step 6: Final answer
    x = 327,295.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.