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Finding the Fourth Proportional to 580,176.22, 800,379.48 and 376,278.56

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Solution

The fourth proportional to 580,176.22, 800,379.48 and 376,278.56 is: 519,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,176.22 : 800,379.48 = 376,278.56 : x
  2. Step 2: Convert to fraction form
    580,176.22/800,379.48 = 376,278.56/x
  3. Step 3: Cross multiply
    580,176.22x = 800,379.48 × 376,278.56
  4. Step 4: Simplify right side
    580,176.22x = 301,165,638,187.95
  5. Step 5: Solve for x
    x = 301,165,638,187.95/580,176.22
  6. Step 6: Final answer
    x = 519,093.39

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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.