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Finding the Fourth Proportional to 350,511.87, 483,705.78 and 189,366.42

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Solution

The fourth proportional to 350,511.87, 483,705.78 and 189,366.42 is: 261,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,511.87 : 483,705.78 = 189,366.42 : x
  2. Step 2: Convert to fraction form
    350,511.87/483,705.78 = 189,366.42/x
  3. Step 3: Cross multiply
    350,511.87x = 483,705.78 × 189,366.42
  4. Step 4: Simplify right side
    350,511.87x = 91,597,631,891.91
  5. Step 5: Solve for x
    x = 91,597,631,891.91/350,511.87
  6. Step 6: Final answer
    x = 261,325.34

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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.