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Finding the Fourth Proportional to 350,951.68, 484,313.31 and 189,806.73

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Solution

The fourth proportional to 350,951.68, 484,313.31 and 189,806.73 is: 261,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,951.68 : 484,313.31 = 189,806.73 : x
  2. Step 2: Convert to fraction form
    350,951.68/484,313.31 = 189,806.73/x
  3. Step 3: Cross multiply
    350,951.68x = 484,313.31 × 189,806.73
  4. Step 4: Simplify right side
    350,951.68x = 91,925,923,850.40
  5. Step 5: Solve for x
    x = 91,925,923,850.40/350,951.68
  6. Step 6: Final answer
    x = 261,933.28

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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.