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Finding the Fourth Proportional to 441,745.60, 662,704.80 and 189,025.60

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Solution

The fourth proportional to 441,745.60, 662,704.80 and 189,025.60 is: 283,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,745.60 : 662,704.80 = 189,025.60 : x
  2. Step 2: Convert to fraction form
    441,745.60/662,704.80 = 189,025.60/x
  3. Step 3: Cross multiply
    441,745.60x = 662,704.80 × 189,025.60
  4. Step 4: Simplify right side
    441,745.60x = 125,268,172,442.88
  5. Step 5: Solve for x
    x = 125,268,172,442.88/441,745.60
  6. Step 6: Final answer
    x = 283,575.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.