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Finding the Fourth Proportional to 339,722.64, 468,947.88 and 226,504.08

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Solution

The fourth proportional to 339,722.64, 468,947.88 and 226,504.08 is: 312,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,722.64 : 468,947.88 = 226,504.08 : x
  2. Step 2: Convert to fraction form
    339,722.64/468,947.88 = 226,504.08/x
  3. Step 3: Cross multiply
    339,722.64x = 468,947.88 × 226,504.08
  4. Step 4: Simplify right side
    339,722.64x = 106,218,608,127.35
  5. Step 5: Solve for x
    x = 106,218,608,127.35/339,722.64
  6. Step 6: Final answer
    x = 312,662.73

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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.