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Finding the Fourth Proportional to 358,446.42, 537,668.25 and 133,863.39

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Solution

The fourth proportional to 358,446.42, 537,668.25 and 133,863.39 is: 200,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,446.42 : 537,668.25 = 133,863.39 : x
  2. Step 2: Convert to fraction form
    358,446.42/537,668.25 = 133,863.39/x
  3. Step 3: Cross multiply
    358,446.42x = 537,668.25 × 133,863.39
  4. Step 4: Simplify right side
    358,446.42x = 71,974,094,640.37
  5. Step 5: Solve for x
    x = 71,974,094,640.37/358,446.42
  6. Step 6: Final answer
    x = 200,794.57

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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.