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Finding the Fourth Proportional to 505,958.41, 698,237.06 and 276,528.43

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Solution

The fourth proportional to 505,958.41, 698,237.06 and 276,528.43 is: 381,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,958.41 : 698,237.06 = 276,528.43 : x
  2. Step 2: Convert to fraction form
    505,958.41/698,237.06 = 276,528.43/x
  3. Step 3: Cross multiply
    505,958.41x = 698,237.06 × 276,528.43
  4. Step 4: Simplify right side
    505,958.41x = 193,082,396,586.97
  5. Step 5: Solve for x
    x = 193,082,396,586.97/505,958.41
  6. Step 6: Final answer
    x = 381,617.13

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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.