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Finding the Fourth Proportional to 574,553.25, 861,994.31 and 195,557.49

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Solution

The fourth proportional to 574,553.25, 861,994.31 and 195,557.49 is: 293,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,553.25 : 861,994.31 = 195,557.49 : x
  2. Step 2: Convert to fraction form
    574,553.25/861,994.31 = 195,557.49/x
  3. Step 3: Cross multiply
    574,553.25x = 861,994.31 × 195,557.49
  4. Step 4: Simplify right side
    574,553.25x = 168,569,442,680.09
  5. Step 5: Solve for x
    x = 168,569,442,680.09/574,553.25
  6. Step 6: Final answer
    x = 293,392.20

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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.