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Finding the Fourth Proportional to 441,373.28, 661,541.28 and 204,215.04

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Solution

The fourth proportional to 441,373.28, 661,541.28 and 204,215.04 is: 306,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,373.28 : 661,541.28 = 204,215.04 : x
  2. Step 2: Convert to fraction form
    441,373.28/661,541.28 = 204,215.04/x
  3. Step 3: Cross multiply
    441,373.28x = 661,541.28 × 204,215.04
  4. Step 4: Simplify right side
    441,373.28x = 135,096,678,956.85
  5. Step 5: Solve for x
    x = 135,096,678,956.85/441,373.28
  6. Step 6: Final answer
    x = 306,082.60

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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.