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Finding the Fourth Proportional to 339,158.88, 468,015.84 and 188,244

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Solution

The fourth proportional to 339,158.88, 468,015.84 and 188,244 is: 259,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,158.88 : 468,015.84 = 188,244 : x
  2. Step 2: Convert to fraction form
    339,158.88/468,015.84 = 188,244/x
  3. Step 3: Cross multiply
    339,158.88x = 468,015.84 × 188,244
  4. Step 4: Simplify right side
    339,158.88x = 88,101,173,784.96
  5. Step 5: Solve for x
    x = 88,101,173,784.96/339,158.88
  6. Step 6: Final answer
    x = 259,763.72

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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.