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Finding the Fourth Proportional to 394,760.63, 592,135.45 and 95,238.67

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Solution

The fourth proportional to 394,760.63, 592,135.45 and 95,238.67 is: 142,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,760.63 : 592,135.45 = 95,238.67 : x
  2. Step 2: Convert to fraction form
    394,760.63/592,135.45 = 95,238.67/x
  3. Step 3: Cross multiply
    394,760.63x = 592,135.45 × 95,238.67
  4. Step 4: Simplify right side
    394,760.63x = 56,394,192,717.85
  5. Step 5: Solve for x
    x = 56,394,192,717.85/394,760.63
  6. Step 6: Final answer
    x = 142,856.68

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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.