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Finding the Fourth Proportional to 539,334.75, 808,791.83 and 202,191.64

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Solution

The fourth proportional to 539,334.75, 808,791.83 and 202,191.64 is: 303,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,334.75 : 808,791.83 = 202,191.64 : x
  2. Step 2: Convert to fraction form
    539,334.75/808,791.83 = 202,191.64/x
  3. Step 3: Cross multiply
    539,334.75x = 808,791.83 × 202,191.64
  4. Step 4: Simplify right side
    539,334.75x = 163,530,949,938.36
  5. Step 5: Solve for x
    x = 163,530,949,938.36/539,334.75
  6. Step 6: Final answer
    x = 303,208.63

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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.