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Finding the Fourth Proportional to 407,845.44, 612,234.72 and 384,517.44

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Solution

The fourth proportional to 407,845.44, 612,234.72 and 384,517.44 is: 577,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,845.44 : 612,234.72 = 384,517.44 : x
  2. Step 2: Convert to fraction form
    407,845.44/612,234.72 = 384,517.44/x
  3. Step 3: Cross multiply
    407,845.44x = 612,234.72 × 384,517.44
  4. Step 4: Simplify right side
    407,845.44x = 235,414,927,213.52
  5. Step 5: Solve for x
    x = 235,414,927,213.52/407,845.44
  6. Step 6: Final answer
    x = 577,216.03

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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.