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Finding the Fourth Proportional to 365,780.26, 504,949.35 and 275,170.80

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Solution

The fourth proportional to 365,780.26, 504,949.35 and 275,170.80 is: 379,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,780.26 : 504,949.35 = 275,170.80 : x
  2. Step 2: Convert to fraction form
    365,780.26/504,949.35 = 275,170.80/x
  3. Step 3: Cross multiply
    365,780.26x = 504,949.35 × 275,170.80
  4. Step 4: Simplify right side
    365,780.26x = 138,947,316,598.98
  5. Step 5: Solve for x
    x = 138,947,316,598.98/365,780.26
  6. Step 6: Final answer
    x = 379,865.54

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1.5x scale

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.