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Finding the Fourth Proportional to 362,906.33, 500,782.28 and 201,751.56

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Solution

The fourth proportional to 362,906.33, 500,782.28 and 201,751.56 is: 278,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,906.33 : 500,782.28 = 201,751.56 : x
  2. Step 2: Convert to fraction form
    362,906.33/500,782.28 = 201,751.56/x
  3. Step 3: Cross multiply
    362,906.33x = 500,782.28 × 201,751.56
  4. Step 4: Simplify right side
    362,906.33x = 101,033,605,201.60
  5. Step 5: Solve for x
    x = 101,033,605,201.60/362,906.33
  6. Step 6: Final answer
    x = 278,401.33

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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.