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Finding the Fourth Proportional to 633,522.90, 950,085.60 and 206,961.48

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Solution

The fourth proportional to 633,522.90, 950,085.60 and 206,961.48 is: 310,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,522.90 : 950,085.60 = 206,961.48 : x
  2. Step 2: Convert to fraction form
    633,522.90/950,085.60 = 206,961.48/x
  3. Step 3: Cross multiply
    633,522.90x = 950,085.60 × 206,961.48
  4. Step 4: Simplify right side
    633,522.90x = 196,631,121,902.69
  5. Step 5: Solve for x
    x = 196,631,121,902.69/633,522.90
  6. Step 6: Final answer
    x = 310,377.29

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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.