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Finding the Fourth Proportional to 365,784.96, 504,955.82 and 275,175.42

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Solution

The fourth proportional to 365,784.96, 504,955.82 and 275,175.42 is: 379,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,784.96 : 504,955.82 = 275,175.42 : x
  2. Step 2: Convert to fraction form
    365,784.96/504,955.82 = 275,175.42/x
  3. Step 3: Cross multiply
    365,784.96x = 504,955.82 × 275,175.42
  4. Step 4: Simplify right side
    365,784.96x = 138,951,428,474.07
  5. Step 5: Solve for x
    x = 138,951,428,474.07/365,784.96
  6. Step 6: Final answer
    x = 379,871.90

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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.