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Finding the Fourth Proportional to 373,579.88, 515,583.24 and 208,024.52

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Solution

The fourth proportional to 373,579.88, 515,583.24 and 208,024.52 is: 287,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,579.88 : 515,583.24 = 208,024.52 : x
  2. Step 2: Convert to fraction form
    373,579.88/515,583.24 = 208,024.52/x
  3. Step 3: Cross multiply
    373,579.88x = 515,583.24 × 208,024.52
  4. Step 4: Simplify right side
    373,579.88x = 107,253,956,021.05
  5. Step 5: Solve for x
    x = 107,253,956,021.05/373,579.88
  6. Step 6: Final answer
    x = 287,097.78

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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.