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Finding the Fourth Proportional to 339,674.46, 468,739.35 and 188,768.22

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Solution

The fourth proportional to 339,674.46, 468,739.35 and 188,768.22 is: 260,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,674.46 : 468,739.35 = 188,768.22 : x
  2. Step 2: Convert to fraction form
    339,674.46/468,739.35 = 188,768.22/x
  3. Step 3: Cross multiply
    339,674.46x = 468,739.35 × 188,768.22
  4. Step 4: Simplify right side
    339,674.46x = 88,483,092,743.46
  5. Step 5: Solve for x
    x = 88,483,092,743.46/339,674.46
  6. Step 6: Final answer
    x = 260,493.81

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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.