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Finding the Fourth Proportional to 331,594.78, 457,584.51 and 188,336.02

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Solution

The fourth proportional to 331,594.78, 457,584.51 and 188,336.02 is: 259,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,594.78 : 457,584.51 = 188,336.02 : x
  2. Step 2: Convert to fraction form
    331,594.78/457,584.51 = 188,336.02/x
  3. Step 3: Cross multiply
    331,594.78x = 457,584.51 × 188,336.02
  4. Step 4: Simplify right side
    331,594.78x = 86,179,645,427.05
  5. Step 5: Solve for x
    x = 86,179,645,427.05/331,594.78
  6. Step 6: Final answer
    x = 259,894.46

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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.