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Finding the Fourth Proportional to 386,727.56, 580,107.08 and 184,219.56

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Solution

The fourth proportional to 386,727.56, 580,107.08 and 184,219.56 is: 276,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,727.56 : 580,107.08 = 184,219.56 : x
  2. Step 2: Convert to fraction form
    386,727.56/580,107.08 = 184,219.56/x
  3. Step 3: Cross multiply
    386,727.56x = 580,107.08 × 184,219.56
  4. Step 4: Simplify right side
    386,727.56x = 106,867,071,030.49
  5. Step 5: Solve for x
    x = 106,867,071,030.49/386,727.56
  6. Step 6: Final answer
    x = 276,336.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.