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Finding the Fourth Proportional to 396,392.16, 594,626.52 and 112,092

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Solution

The fourth proportional to 396,392.16, 594,626.52 and 112,092 is: 168,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,392.16 : 594,626.52 = 112,092 : x
  2. Step 2: Convert to fraction form
    396,392.16/594,626.52 = 112,092/x
  3. Step 3: Cross multiply
    396,392.16x = 594,626.52 × 112,092
  4. Step 4: Simplify right side
    396,392.16x = 66,652,875,879.84
  5. Step 5: Solve for x
    x = 66,652,875,879.84/396,392.16
  6. Step 6: Final answer
    x = 168,148.82

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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.