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Finding the Fourth Proportional to 335,685.66, 503,408.56 and 111,004.62

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Solution

The fourth proportional to 335,685.66, 503,408.56 and 111,004.62 is: 166,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,685.66 : 503,408.56 = 111,004.62 : x
  2. Step 2: Convert to fraction form
    335,685.66/503,408.56 = 111,004.62/x
  3. Step 3: Cross multiply
    335,685.66x = 503,408.56 × 111,004.62
  4. Step 4: Simplify right side
    335,685.66x = 55,880,675,907.55
  5. Step 5: Solve for x
    x = 55,880,675,907.55/335,685.66
  6. Step 6: Final answer
    x = 166,467.27

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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.