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Finding the Fourth Proportional to 395,919.80, 593,871.24 and 96,401.96

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Solution

The fourth proportional to 395,919.80, 593,871.24 and 96,401.96 is: 144,600.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,919.80 : 593,871.24 = 96,401.96 : x
  2. Step 2: Convert to fraction form
    395,919.80/593,871.24 = 96,401.96/x
  3. Step 3: Cross multiply
    395,919.80x = 593,871.24 × 96,401.96
  4. Step 4: Simplify right side
    395,919.80x = 57,250,351,523.63
  5. Step 5: Solve for x
    x = 57,250,351,523.63/395,919.80
  6. Step 6: Final answer
    x = 144,600.88

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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.