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Finding the Fourth Proportional to 303,164.16, 454,608 and 196,373.76

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Solution

The fourth proportional to 303,164.16, 454,608 and 196,373.76 is: 294,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,164.16 : 454,608 = 196,373.76 : x
  2. Step 2: Convert to fraction form
    303,164.16/454,608 = 196,373.76/x
  3. Step 3: Cross multiply
    303,164.16x = 454,608 × 196,373.76
  4. Step 4: Simplify right side
    303,164.16x = 89,273,082,286.08
  5. Step 5: Solve for x
    x = 89,273,082,286.08/303,164.16
  6. Step 6: Final answer
    x = 294,471.10

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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.