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Finding the Fourth Proportional to 208,371.44, 312,552.84 and 50,600.72

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Solution

The fourth proportional to 208,371.44, 312,552.84 and 50,600.72 is: 75,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,371.44 : 312,552.84 = 50,600.72 : x
  2. Step 2: Convert to fraction form
    208,371.44/312,552.84 = 50,600.72/x
  3. Step 3: Cross multiply
    208,371.44x = 312,552.84 × 50,600.72
  4. Step 4: Simplify right side
    208,371.44x = 15,815,398,742.04
  5. Step 5: Solve for x
    x = 15,815,398,742.04/208,371.44
  6. Step 6: Final answer
    x = 75,900.03

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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.