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Finding the Fourth Proportional to 303,546.67, 455,697.26 and 196,580.50

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Solution

The fourth proportional to 303,546.67, 455,697.26 and 196,580.50 is: 295,115.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,546.67 : 455,697.26 = 196,580.50 : x
  2. Step 2: Convert to fraction form
    303,546.67/455,697.26 = 196,580.50/x
  3. Step 3: Cross multiply
    303,546.67x = 455,697.26 × 196,580.50
  4. Step 4: Simplify right side
    303,546.67x = 89,581,195,219.43
  5. Step 5: Solve for x
    x = 89,581,195,219.43/303,546.67
  6. Step 6: Final answer
    x = 295,115.06

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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.