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Finding the Fourth Proportional to 339,014.46, 467,865.81 and 188,111.46

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Solution

The fourth proportional to 339,014.46, 467,865.81 and 188,111.46 is: 259,608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,014.46 : 467,865.81 = 188,111.46 : x
  2. Step 2: Convert to fraction form
    339,014.46/467,865.81 = 188,111.46/x
  3. Step 3: Cross multiply
    339,014.46x = 467,865.81 × 188,111.46
  4. Step 4: Simplify right side
    339,014.46x = 88,010,920,603.18
  5. Step 5: Solve for x
    x = 88,010,920,603.18/339,014.46
  6. Step 6: Final answer
    x = 259,608.16

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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.