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Finding the Fourth Proportional to 339,052, 467,913.69 and 188,149

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Solution

The fourth proportional to 339,052, 467,913.69 and 188,149 is: 259,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,052 : 467,913.69 = 188,149 : x
  2. Step 2: Convert to fraction form
    339,052/467,913.69 = 188,149/x
  3. Step 3: Cross multiply
    339,052x = 467,913.69 × 188,149
  4. Step 4: Simplify right side
    339,052x = 88,037,492,859.81
  5. Step 5: Solve for x
    x = 88,037,492,859.81/339,052
  6. Step 6: Final answer
    x = 259,657.79

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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.