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Finding the Fourth Proportional to 338,920.64, 467,750.40 and 188,027.36

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Solution

The fourth proportional to 338,920.64, 467,750.40 and 188,027.36 is: 259,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,920.64 : 467,750.40 = 188,027.36 : x
  2. Step 2: Convert to fraction form
    338,920.64/467,750.40 = 188,027.36/x
  3. Step 3: Cross multiply
    338,920.64x = 467,750.40 × 188,027.36
  4. Step 4: Simplify right side
    338,920.64x = 87,949,872,850.94
  5. Step 5: Solve for x
    x = 87,949,872,850.94/338,920.64
  6. Step 6: Final answer
    x = 259,499.90

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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.