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Finding the Fourth Proportional to 605,311.05, 907,964.15 and 184,585.71

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Solution

The fourth proportional to 605,311.05, 907,964.15 and 184,585.71 is: 276,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,311.05 : 907,964.15 = 184,585.71 : x
  2. Step 2: Convert to fraction form
    605,311.05/907,964.15 = 184,585.71/x
  3. Step 3: Cross multiply
    605,311.05x = 907,964.15 × 184,585.71
  4. Step 4: Simplify right side
    605,311.05x = 167,597,206,359.37
  5. Step 5: Solve for x
    x = 167,597,206,359.37/605,311.05
  6. Step 6: Final answer
    x = 276,877.82

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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.