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Finding the Fourth Proportional to 365,799.22, 504,975.50 and 275,189.76

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Solution

The fourth proportional to 365,799.22, 504,975.50 and 275,189.76 is: 379,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,799.22 : 504,975.50 = 275,189.76 : x
  2. Step 2: Convert to fraction form
    365,799.22/504,975.50 = 275,189.76/x
  3. Step 3: Cross multiply
    365,799.22x = 504,975.50 × 275,189.76
  4. Step 4: Simplify right side
    365,799.22x = 138,964,086,650.88
  5. Step 5: Solve for x
    x = 138,964,086,650.88/365,799.22
  6. Step 6: Final answer
    x = 379,891.70

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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.