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Finding the Fourth Proportional to 262,604.78, 394,006.44 and 102,794.92

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Solution

The fourth proportional to 262,604.78, 394,006.44 and 102,794.92 is: 154,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,604.78 : 394,006.44 = 102,794.92 : x
  2. Step 2: Convert to fraction form
    262,604.78/394,006.44 = 102,794.92/x
  3. Step 3: Cross multiply
    262,604.78x = 394,006.44 × 102,794.92
  4. Step 4: Simplify right side
    262,604.78x = 40,501,860,479.28
  5. Step 5: Solve for x
    x = 40,501,860,479.28/262,604.78
  6. Step 6: Final answer
    x = 154,231.24

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1.5x scale

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.