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Finding the Fourth Proportional to 335,912.84, 503,940.33 and 111,260.55

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Solution

The fourth proportional to 335,912.84, 503,940.33 and 111,260.55 is: 166,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,912.84 : 503,940.33 = 111,260.55 : x
  2. Step 2: Convert to fraction form
    335,912.84/503,940.33 = 111,260.55/x
  3. Step 3: Cross multiply
    335,912.84x = 503,940.33 × 111,260.55
  4. Step 4: Simplify right side
    335,912.84x = 56,068,678,282.98
  5. Step 5: Solve for x
    x = 56,068,678,282.98/335,912.84
  6. Step 6: Final answer
    x = 166,914.36

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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.