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Finding the Fourth Proportional to 446,304.97, 669,570.74 and 206,591.66

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Solution

The fourth proportional to 446,304.97, 669,570.74 and 206,591.66 is: 309,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,304.97 : 669,570.74 = 206,591.66 : x
  2. Step 2: Convert to fraction form
    446,304.97/669,570.74 = 206,591.66/x
  3. Step 3: Cross multiply
    446,304.97x = 669,570.74 × 206,591.66
  4. Step 4: Simplify right side
    446,304.97x = 138,327,730,664.03
  5. Step 5: Solve for x
    x = 138,327,730,664.03/446,304.97
  6. Step 6: Final answer
    x = 309,939.93

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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.