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Finding the Fourth Proportional to 316,512.85, 436,793.13 and 195,651.02

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Solution

The fourth proportional to 316,512.85, 436,793.13 and 195,651.02 is: 270,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,512.85 : 436,793.13 = 195,651.02 : x
  2. Step 2: Convert to fraction form
    316,512.85/436,793.13 = 195,651.02/x
  3. Step 3: Cross multiply
    316,512.85x = 436,793.13 × 195,651.02
  4. Step 4: Simplify right side
    316,512.85x = 85,459,021,413.49
  5. Step 5: Solve for x
    x = 85,459,021,413.49/316,512.85
  6. Step 6: Final answer
    x = 270,001.75

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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.