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Finding the Fourth Proportional to 605,311.43, 907,964.71 and 184,586.09

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Solution

The fourth proportional to 605,311.43, 907,964.71 and 184,586.09 is: 276,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,311.43 : 907,964.71 = 184,586.09 : x
  2. Step 2: Convert to fraction form
    605,311.43/907,964.71 = 184,586.09/x
  3. Step 3: Cross multiply
    605,311.43x = 907,964.71 × 184,586.09
  4. Step 4: Simplify right side
    605,311.43x = 167,597,650,675.60
  5. Step 5: Solve for x
    x = 167,597,650,675.60/605,311.43
  6. Step 6: Final answer
    x = 276,878.39

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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.