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Finding the Fourth Proportional to 358,956.73, 538,644.41 and 134,474.86

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Solution

The fourth proportional to 358,956.73, 538,644.41 and 134,474.86 is: 201,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,956.73 : 538,644.41 = 134,474.86 : x
  2. Step 2: Convert to fraction form
    358,956.73/538,644.41 = 134,474.86/x
  3. Step 3: Cross multiply
    358,956.73x = 538,644.41 × 134,474.86
  4. Step 4: Simplify right side
    358,956.73x = 72,434,131,624.53
  5. Step 5: Solve for x
    x = 72,434,131,624.53/358,956.73
  6. Step 6: Final answer
    x = 201,790.71

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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.