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Finding the Fourth Proportional to 511,825.38, 766,163.43 and 333,949.38

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Solution

The fourth proportional to 511,825.38, 766,163.43 and 333,949.38 is: 499,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,825.38 : 766,163.43 = 333,949.38 : x
  2. Step 2: Convert to fraction form
    511,825.38/766,163.43 = 333,949.38/x
  3. Step 3: Cross multiply
    511,825.38x = 766,163.43 × 333,949.38
  4. Step 4: Simplify right side
    511,825.38x = 255,859,802,427.17
  5. Step 5: Solve for x
    x = 255,859,802,427.17/511,825.38
  6. Step 6: Final answer
    x = 499,896.67

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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.