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Finding the Fourth Proportional to 350,819.69, 484,131.11 and 189,674.73

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Solution

The fourth proportional to 350,819.69, 484,131.11 and 189,674.73 is: 261,751.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,819.69 : 484,131.11 = 189,674.73 : x
  2. Step 2: Convert to fraction form
    350,819.69/484,131.11 = 189,674.73/x
  3. Step 3: Cross multiply
    350,819.69x = 484,131.11 × 189,674.73
  4. Step 4: Simplify right side
    350,819.69x = 91,827,436,625.48
  5. Step 5: Solve for x
    x = 91,827,436,625.48/350,819.69
  6. Step 6: Final answer
    x = 261,751.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.