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Finding the Fourth Proportional to 365,383.56, 548,076.04 and 140,849.74

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Solution

The fourth proportional to 365,383.56, 548,076.04 and 140,849.74 is: 211,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,383.56 : 548,076.04 = 140,849.74 : x
  2. Step 2: Convert to fraction form
    365,383.56/548,076.04 = 140,849.74/x
  3. Step 3: Cross multiply
    365,383.56x = 548,076.04 × 140,849.74
  4. Step 4: Simplify right side
    365,383.56x = 77,196,367,734.23
  5. Step 5: Solve for x
    x = 77,196,367,734.23/365,383.56
  6. Step 6: Final answer
    x = 211,274.88

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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.