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Finding the Fourth Proportional to 339,170.69, 468,032.14 and 188,255.81

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Solution

The fourth proportional to 339,170.69, 468,032.14 and 188,255.81 is: 259,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,170.69 : 468,032.14 = 188,255.81 : x
  2. Step 2: Convert to fraction form
    339,170.69/468,032.14 = 188,255.81/x
  3. Step 3: Cross multiply
    339,170.69x = 468,032.14 × 188,255.81
  4. Step 4: Simplify right side
    339,170.69x = 88,109,771,027.13
  5. Step 5: Solve for x
    x = 88,109,771,027.13/339,170.69
  6. Step 6: Final answer
    x = 259,780.03

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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.