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Finding the Fourth Proportional to 365,799.47, 504,975.86 and 275,190.02

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Solution

The fourth proportional to 365,799.47, 504,975.86 and 275,190.02 is: 379,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,799.47 : 504,975.86 = 275,190.02 : x
  2. Step 2: Convert to fraction form
    365,799.47/504,975.86 = 275,190.02/x
  3. Step 3: Cross multiply
    365,799.47x = 504,975.86 × 275,190.02
  4. Step 4: Simplify right side
    365,799.47x = 138,964,313,112.09
  5. Step 5: Solve for x
    x = 138,964,313,112.09/365,799.47
  6. Step 6: Final answer
    x = 379,892.06

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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.