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Finding the Fourth Proportional to 208,399.58, 312,596.63 and 50,627.57

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Solution

The fourth proportional to 208,399.58, 312,596.63 and 50,627.57 is: 75,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,399.58 : 312,596.63 = 50,627.57 : x
  2. Step 2: Convert to fraction form
    208,399.58/312,596.63 = 50,627.57/x
  3. Step 3: Cross multiply
    208,399.58x = 312,596.63 × 50,627.57
  4. Step 4: Simplify right side
    208,399.58x = 15,826,008,295.44
  5. Step 5: Solve for x
    x = 15,826,008,295.44/208,399.58
  6. Step 6: Final answer
    x = 75,940.69

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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.