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Finding the Fourth Proportional to 327,195.20, 490,792.88 and 116,805.76

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Solution

The fourth proportional to 327,195.20, 490,792.88 and 116,805.76 is: 175,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,195.20 : 490,792.88 = 116,805.76 : x
  2. Step 2: Convert to fraction form
    327,195.20/490,792.88 = 116,805.76/x
  3. Step 3: Cross multiply
    327,195.20x = 490,792.88 × 116,805.76
  4. Step 4: Simplify right side
    327,195.20x = 57,327,435,350.99
  5. Step 5: Solve for x
    x = 57,327,435,350.99/327,195.20
  6. Step 6: Final answer
    x = 175,208.67

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1.5x scale

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.