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Finding the Fourth Proportional to 396,480.62, 594,783.12 and 130,180.52

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Solution

The fourth proportional to 396,480.62, 594,783.12 and 130,180.52 is: 195,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,480.62 : 594,783.12 = 130,180.52 : x
  2. Step 2: Convert to fraction form
    396,480.62/594,783.12 = 130,180.52/x
  3. Step 3: Cross multiply
    396,480.62x = 594,783.12 × 130,180.52
  4. Step 4: Simplify right side
    396,480.62x = 77,429,175,848.82
  5. Step 5: Solve for x
    x = 77,429,175,848.82/396,480.62
  6. Step 6: Final answer
    x = 195,291.20

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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.