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Finding the Fourth Proportional to 474,162.44, 654,404.09 and 310,956.27

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Solution

The fourth proportional to 474,162.44, 654,404.09 and 310,956.27 is: 429,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,162.44 : 654,404.09 = 310,956.27 : x
  2. Step 2: Convert to fraction form
    474,162.44/654,404.09 = 310,956.27/x
  3. Step 3: Cross multiply
    474,162.44x = 654,404.09 × 310,956.27
  4. Step 4: Simplify right side
    474,162.44x = 203,491,053,344.36
  5. Step 5: Solve for x
    x = 203,491,053,344.36/474,162.44
  6. Step 6: Final answer
    x = 429,158.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.