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Finding the Fourth Proportional to 396,191.25, 594,374.36 and 146,873.25

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Solution

The fourth proportional to 396,191.25, 594,374.36 and 146,873.25 is: 220,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,191.25 : 594,374.36 = 146,873.25 : x
  2. Step 2: Convert to fraction form
    396,191.25/594,374.36 = 146,873.25/x
  3. Step 3: Cross multiply
    396,191.25x = 594,374.36 × 146,873.25
  4. Step 4: Simplify right side
    396,191.25x = 87,297,693,235.50
  5. Step 5: Solve for x
    x = 87,297,693,235.50/396,191.25
  6. Step 6: Final answer
    x = 220,342.30

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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.