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Finding the Fourth Proportional to 580,971.78, 801,690.03 and 322,832.38

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Solution

The fourth proportional to 580,971.78, 801,690.03 and 322,832.38 is: 445,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,971.78 : 801,690.03 = 322,832.38 : x
  2. Step 2: Convert to fraction form
    580,971.78/801,690.03 = 322,832.38/x
  3. Step 3: Cross multiply
    580,971.78x = 801,690.03 × 322,832.38
  4. Step 4: Simplify right side
    580,971.78x = 258,811,498,402.95
  5. Step 5: Solve for x
    x = 258,811,498,402.95/580,971.78
  6. Step 6: Final answer
    x = 445,480.33

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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.