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Finding the Fourth Proportional to 350,731.54, 484,009.31 and 189,586.59

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Solution

The fourth proportional to 350,731.54, 484,009.31 and 189,586.59 is: 261,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,731.54 : 484,009.31 = 189,586.59 : x
  2. Step 2: Convert to fraction form
    350,731.54/484,009.31 = 189,586.59/x
  3. Step 3: Cross multiply
    350,731.54x = 484,009.31 × 189,586.59
  4. Step 4: Simplify right side
    350,731.54x = 91,761,673,270.08
  5. Step 5: Solve for x
    x = 91,761,673,270.08/350,731.54
  6. Step 6: Final answer
    x = 261,629.37

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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.