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Finding the Fourth Proportional to 3,539,268, 5,308,921.44 and 879,876

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Solution

The fourth proportional to 3,539,268, 5,308,921.44 and 879,876 is: 1,319,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,268 : 5,308,921.44 = 879,876 : x
  2. Step 2: Convert to fraction form
    3,539,268/5,308,921.44 = 879,876/x
  3. Step 3: Cross multiply
    3,539,268x = 5,308,921.44 × 879,876
  4. Step 4: Simplify right side
    3,539,268x = 4,671,192,560,941.44
  5. Step 5: Solve for x
    x = 4,671,192,560,941.44/3,539,268
  6. Step 6: Final answer
    x = 1,319,818.83

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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.