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Finding the Fourth Proportional to 350,049.70, 483,074.74 and 206,809.40

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Solution

The fourth proportional to 350,049.70, 483,074.74 and 206,809.40 is: 285,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,049.70 : 483,074.74 = 206,809.40 : x
  2. Step 2: Convert to fraction form
    350,049.70/483,074.74 = 206,809.40/x
  3. Step 3: Cross multiply
    350,049.70x = 483,074.74 × 206,809.40
  4. Step 4: Simplify right side
    350,049.70x = 99,904,397,437.45
  5. Step 5: Solve for x
    x = 99,904,397,437.45/350,049.70
  6. Step 6: Final answer
    x = 285,400.61

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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.