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Finding the Fourth Proportional to 365,790.60, 504,963.60 and 275,181.06

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Solution

The fourth proportional to 365,790.60, 504,963.60 and 275,181.06 is: 379,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,790.60 : 504,963.60 = 275,181.06 : x
  2. Step 2: Convert to fraction form
    365,790.60/504,963.60 = 275,181.06/x
  3. Step 3: Cross multiply
    365,790.60x = 504,963.60 × 275,181.06
  4. Step 4: Simplify right side
    365,790.60x = 138,956,418,709.42
  5. Step 5: Solve for x
    x = 138,956,418,709.42/365,790.60
  6. Step 6: Final answer
    x = 379,879.69

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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.