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Finding the Fourth Proportional to 445,650.48, 668,900.24 and 276,659.44

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Solution

The fourth proportional to 445,650.48, 668,900.24 and 276,659.44 is: 415,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,650.48 : 668,900.24 = 276,659.44 : x
  2. Step 2: Convert to fraction form
    445,650.48/668,900.24 = 276,659.44/x
  3. Step 3: Cross multiply
    445,650.48x = 668,900.24 × 276,659.44
  4. Step 4: Simplify right side
    445,650.48x = 185,057,565,814.27
  5. Step 5: Solve for x
    x = 185,057,565,814.27/445,650.48
  6. Step 6: Final answer
    x = 415,252.70

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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.