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Finding the Fourth Proportional to 303,191.28, 454,788 and 92,828.34

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Solution

The fourth proportional to 303,191.28, 454,788 and 92,828.34 is: 139,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,191.28 : 454,788 = 92,828.34 : x
  2. Step 2: Convert to fraction form
    303,191.28/454,788 = 92,828.34/x
  3. Step 3: Cross multiply
    303,191.28x = 454,788 × 92,828.34
  4. Step 4: Simplify right side
    303,191.28x = 42,217,215,091.92
  5. Step 5: Solve for x
    x = 42,217,215,091.92/303,191.28
  6. Step 6: Final answer
    x = 139,242.84

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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.