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Finding the Fourth Proportional to 580,819.82, 801,520.92 and 322,697.93

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Solution

The fourth proportional to 580,819.82, 801,520.92 and 322,697.93 is: 445,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,819.82 : 801,520.92 = 322,697.93 : x
  2. Step 2: Convert to fraction form
    580,819.82/801,520.92 = 322,697.93/x
  3. Step 3: Cross multiply
    580,819.82x = 801,520.92 × 322,697.93
  4. Step 4: Simplify right side
    580,819.82x = 258,649,137,728.09
  5. Step 5: Solve for x
    x = 258,649,137,728.09/580,819.82
  6. Step 6: Final answer
    x = 445,317.34

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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.