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Finding the Fourth Proportional to 339,374.56, 468,280.68 and 196,147.94

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Solution

The fourth proportional to 339,374.56, 468,280.68 and 196,147.94 is: 270,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,374.56 : 468,280.68 = 196,147.94 : x
  2. Step 2: Convert to fraction form
    339,374.56/468,280.68 = 196,147.94/x
  3. Step 3: Cross multiply
    339,374.56x = 468,280.68 × 196,147.94
  4. Step 4: Simplify right side
    339,374.56x = 91,852,290,723.80
  5. Step 5: Solve for x
    x = 91,852,290,723.80/339,374.56
  6. Step 6: Final answer
    x = 270,651.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.