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Finding the Fourth Proportional to 264,997.45, 397,445.47 and 102,891.50

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Solution

The fourth proportional to 264,997.45, 397,445.47 and 102,891.50 is: 154,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,997.45 : 397,445.47 = 102,891.50 : x
  2. Step 2: Convert to fraction form
    264,997.45/397,445.47 = 102,891.50/x
  3. Step 3: Cross multiply
    264,997.45x = 397,445.47 × 102,891.50
  4. Step 4: Simplify right side
    264,997.45x = 40,893,761,933.27
  5. Step 5: Solve for x
    x = 40,893,761,933.27/264,997.45
  6. Step 6: Final answer
    x = 154,317.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.