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Finding the Fourth Proportional to 300,487.23, 414,540.05 and 179,567.73

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Solution

The fourth proportional to 300,487.23, 414,540.05 and 179,567.73 is: 247,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,487.23 : 414,540.05 = 179,567.73 : x
  2. Step 2: Convert to fraction form
    300,487.23/414,540.05 = 179,567.73/x
  3. Step 3: Cross multiply
    300,487.23x = 414,540.05 × 179,567.73
  4. Step 4: Simplify right side
    300,487.23x = 74,438,014,874.75
  5. Step 5: Solve for x
    x = 74,438,014,874.75/300,487.23
  6. Step 6: Final answer
    x = 247,724.39

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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.