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Finding the Fourth Proportional to 396,388.84, 594,603.27 and 112,099.83

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Solution

The fourth proportional to 396,388.84, 594,603.27 and 112,099.83 is: 168,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,388.84 : 594,603.27 = 112,099.83 : x
  2. Step 2: Convert to fraction form
    396,388.84/594,603.27 = 112,099.83/x
  3. Step 3: Cross multiply
    396,388.84x = 594,603.27 × 112,099.83
  4. Step 4: Simplify right side
    396,388.84x = 66,654,925,484.44
  5. Step 5: Solve for x
    x = 66,654,925,484.44/396,388.84
  6. Step 6: Final answer
    x = 168,155.40

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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.