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Finding the Fourth Proportional to 396,480.83, 594,813.58 and 116,019.95

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Solution

The fourth proportional to 396,480.83, 594,813.58 and 116,019.95 is: 174,056.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,480.83 : 594,813.58 = 116,019.95 : x
  2. Step 2: Convert to fraction form
    396,480.83/594,813.58 = 116,019.95/x
  3. Step 3: Cross multiply
    396,480.83x = 594,813.58 × 116,019.95
  4. Step 4: Simplify right side
    396,480.83x = 69,010,238,546.80
  5. Step 5: Solve for x
    x = 69,010,238,546.80/396,480.83
  6. Step 6: Final answer
    x = 174,056.94

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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.