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Finding the Fourth Proportional to 488,993.01, 733,427.21 and 189,268.54

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Solution

The fourth proportional to 488,993.01, 733,427.21 and 189,268.54 is: 283,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,993.01 : 733,427.21 = 189,268.54 : x
  2. Step 2: Convert to fraction form
    488,993.01/733,427.21 = 189,268.54/x
  3. Step 3: Cross multiply
    488,993.01x = 733,427.21 × 189,268.54
  4. Step 4: Simplify right side
    488,993.01x = 138,814,697,232.97
  5. Step 5: Solve for x
    x = 138,814,697,232.97/488,993.01
  6. Step 6: Final answer
    x = 283,878.69

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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.