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Finding the Fourth Proportional to 291,847.44, 436,981.56 and 151,310.64

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Solution

The fourth proportional to 291,847.44, 436,981.56 and 151,310.64 is: 226,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,847.44 : 436,981.56 = 151,310.64 : x
  2. Step 2: Convert to fraction form
    291,847.44/436,981.56 = 151,310.64/x
  3. Step 3: Cross multiply
    291,847.44x = 436,981.56 × 151,310.64
  4. Step 4: Simplify right side
    291,847.44x = 66,119,959,511.80
  5. Step 5: Solve for x
    x = 66,119,959,511.80/291,847.44
  6. Step 6: Final answer
    x = 226,556.59

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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.