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Finding the Fourth Proportional to 392,676.46, 589,027.44 and 108,388.33

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Solution

The fourth proportional to 392,676.46, 589,027.44 and 108,388.33 is: 162,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,676.46 : 589,027.44 = 108,388.33 : x
  2. Step 2: Convert to fraction form
    392,676.46/589,027.44 = 108,388.33/x
  3. Step 3: Cross multiply
    392,676.46x = 589,027.44 × 108,388.33
  4. Step 4: Simplify right side
    392,676.46x = 63,843,699,479.66
  5. Step 5: Solve for x
    x = 63,843,699,479.66/392,676.46
  6. Step 6: Final answer
    x = 162,586.01

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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.