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Finding the Fourth Proportional to 365,791.10, 504,964.30 and 275,181.56

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Solution

The fourth proportional to 365,791.10, 504,964.30 and 275,181.56 is: 379,880.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,791.10 : 504,964.30 = 275,181.56 : x
  2. Step 2: Convert to fraction form
    365,791.10/504,964.30 = 275,181.56/x
  3. Step 3: Cross multiply
    365,791.10x = 504,964.30 × 275,181.56
  4. Step 4: Simplify right side
    365,791.10x = 138,956,863,818.31
  5. Step 5: Solve for x
    x = 138,956,863,818.31/365,791.10
  6. Step 6: Final answer
    x = 379,880.38

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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.