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Finding the Fourth Proportional to 339,171.63, 468,033.43 and 188,256.75

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Solution

The fourth proportional to 339,171.63, 468,033.43 and 188,256.75 is: 259,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,171.63 : 468,033.43 = 188,256.75 : x
  2. Step 2: Convert to fraction form
    339,171.63/468,033.43 = 188,256.75/x
  3. Step 3: Cross multiply
    339,171.63x = 468,033.43 × 188,256.75
  4. Step 4: Simplify right side
    339,171.63x = 88,110,452,423.15
  5. Step 5: Solve for x
    x = 88,110,452,423.15/339,171.63
  6. Step 6: Final answer
    x = 259,781.32

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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.