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Finding the Fourth Proportional to 315,793.23, 436,255.70 and 273,277.95

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Solution

The fourth proportional to 315,793.23, 436,255.70 and 273,277.95 is: 377,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,793.23 : 436,255.70 = 273,277.95 : x
  2. Step 2: Convert to fraction form
    315,793.23/436,255.70 = 273,277.95/x
  3. Step 3: Cross multiply
    315,793.23x = 436,255.70 × 273,277.95
  4. Step 4: Simplify right side
    315,793.23x = 119,219,063,592.00
  5. Step 5: Solve for x
    x = 119,219,063,592.00/315,793.23
  6. Step 6: Final answer
    x = 377,522.54

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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.