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Finding the Fourth Proportional to 396,373.30, 594,580.68 and 112,084.65

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Solution

The fourth proportional to 396,373.30, 594,580.68 and 112,084.65 is: 168,132.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,373.30 : 594,580.68 = 112,084.65 : x
  2. Step 2: Convert to fraction form
    396,373.30/594,580.68 = 112,084.65/x
  3. Step 3: Cross multiply
    396,373.30x = 594,580.68 × 112,084.65
  4. Step 4: Simplify right side
    396,373.30x = 66,643,367,414.56
  5. Step 5: Solve for x
    x = 66,643,367,414.56/396,373.30
  6. Step 6: Final answer
    x = 168,132.84

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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.