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Finding the Fourth Proportional to 396,393.16, 594,628.02 and 112,093

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Solution

The fourth proportional to 396,393.16, 594,628.02 and 112,093 is: 168,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,393.16 : 594,628.02 = 112,093 : x
  2. Step 2: Convert to fraction form
    396,393.16/594,628.02 = 112,093/x
  3. Step 3: Cross multiply
    396,393.16x = 594,628.02 × 112,093
  4. Step 4: Simplify right side
    396,393.16x = 66,653,638,645.86
  5. Step 5: Solve for x
    x = 66,653,638,645.86/396,393.16
  6. Step 6: Final answer
    x = 168,150.32

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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.