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Finding the Fourth Proportional to 488,575.36, 674,273.46 and 273,763.36

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Solution

The fourth proportional to 488,575.36, 674,273.46 and 273,763.36 is: 377,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,575.36 : 674,273.46 = 273,763.36 : x
  2. Step 2: Convert to fraction form
    488,575.36/674,273.46 = 273,763.36/x
  3. Step 3: Cross multiply
    488,575.36x = 674,273.46 × 273,763.36
  4. Step 4: Simplify right side
    488,575.36x = 184,591,367,968.43
  5. Step 5: Solve for x
    x = 184,591,367,968.43/488,575.36
  6. Step 6: Final answer
    x = 377,815.55

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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.