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Finding the Fourth Proportional to 396,307.59, 594,480.23 and 126,464.33

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Solution

The fourth proportional to 396,307.59, 594,480.23 and 126,464.33 is: 189,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,307.59 : 594,480.23 = 126,464.33 : x
  2. Step 2: Convert to fraction form
    396,307.59/594,480.23 = 126,464.33/x
  3. Step 3: Cross multiply
    396,307.59x = 594,480.23 × 126,464.33
  4. Step 4: Simplify right side
    396,307.59x = 75,180,540,380.47
  5. Step 5: Solve for x
    x = 75,180,540,380.47/396,307.59
  6. Step 6: Final answer
    x = 189,702.50

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1.5x scale

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.