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Finding the Fourth Proportional to 396,040.80, 594,061.20 and 182,808.30

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Solution

The fourth proportional to 396,040.80, 594,061.20 and 182,808.30 is: 274,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,040.80 : 594,061.20 = 182,808.30 : x
  2. Step 2: Convert to fraction form
    396,040.80/594,061.20 = 182,808.30/x
  3. Step 3: Cross multiply
    396,040.80x = 594,061.20 × 182,808.30
  4. Step 4: Simplify right side
    396,040.80x = 108,599,318,067.96
  5. Step 5: Solve for x
    x = 108,599,318,067.96/396,040.80
  6. Step 6: Final answer
    x = 274,212.45

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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.