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Finding the Fourth Proportional to 395,672.22, 546,026.85 and 214,388.73

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Solution

The fourth proportional to 395,672.22, 546,026.85 and 214,388.73 is: 295,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,672.22 : 546,026.85 = 214,388.73 : x
  2. Step 2: Convert to fraction form
    395,672.22/546,026.85 = 214,388.73/x
  3. Step 3: Cross multiply
    395,672.22x = 546,026.85 × 214,388.73
  4. Step 4: Simplify right side
    395,672.22x = 117,062,002,917.40
  5. Step 5: Solve for x
    x = 117,062,002,917.40/395,672.22
  6. Step 6: Final answer
    x = 295,856.01

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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.