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Finding the Fourth Proportional to 339,077.76, 467,928.52 and 188,174.76

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Solution

The fourth proportional to 339,077.76, 467,928.52 and 188,174.76 is: 259,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,077.76 : 467,928.52 = 188,174.76 : x
  2. Step 2: Convert to fraction form
    339,077.76/467,928.52 = 188,174.76/x
  3. Step 3: Cross multiply
    339,077.76x = 467,928.52 × 188,174.76
  4. Step 4: Simplify right side
    339,077.76x = 88,052,336,948.16
  5. Step 5: Solve for x
    x = 88,052,336,948.16/339,077.76
  6. Step 6: Final answer
    x = 259,681.84

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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.