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Finding the Fourth Proportional to 654,354.63, 981,342.27 and 254,906.37

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Solution

The fourth proportional to 654,354.63, 981,342.27 and 254,906.37 is: 382,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,354.63 : 981,342.27 = 254,906.37 : x
  2. Step 2: Convert to fraction form
    654,354.63/981,342.27 = 254,906.37/x
  3. Step 3: Cross multiply
    654,354.63x = 981,342.27 × 254,906.37
  4. Step 4: Simplify right side
    654,354.63x = 250,150,395,773.26
  5. Step 5: Solve for x
    x = 250,150,395,773.26/654,354.63
  6. Step 6: Final answer
    x = 382,285.67

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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.