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Finding the Fourth Proportional to 496,454.44, 685,108.74 and 270,099.88

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Solution

The fourth proportional to 496,454.44, 685,108.74 and 270,099.88 is: 372,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,454.44 : 685,108.74 = 270,099.88 : x
  2. Step 2: Convert to fraction form
    496,454.44/685,108.74 = 270,099.88/x
  3. Step 3: Cross multiply
    496,454.44x = 685,108.74 × 270,099.88
  4. Step 4: Simplify right side
    496,454.44x = 185,047,788,460.95
  5. Step 5: Solve for x
    x = 185,047,788,460.95/496,454.44
  6. Step 6: Final answer
    x = 372,738.71

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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.