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Finding the Fourth Proportional to 327,151.75, 490,727.79 and 102,529.67

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Solution

The fourth proportional to 327,151.75, 490,727.79 and 102,529.67 is: 153,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,151.75 : 490,727.79 = 102,529.67 : x
  2. Step 2: Convert to fraction form
    327,151.75/490,727.79 = 102,529.67/x
  3. Step 3: Cross multiply
    327,151.75x = 490,727.79 × 102,529.67
  4. Step 4: Simplify right side
    327,151.75x = 50,314,159,595.35
  5. Step 5: Solve for x
    x = 50,314,159,595.35/327,151.75
  6. Step 6: Final answer
    x = 153,794.56

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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.