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Finding the Fourth Proportional to 580,522.87, 801,141.42 and 322,403.86

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Solution

The fourth proportional to 580,522.87, 801,141.42 and 322,403.86 is: 444,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,522.87 : 801,141.42 = 322,403.86 : x
  2. Step 2: Convert to fraction form
    580,522.87/801,141.42 = 322,403.86/x
  3. Step 3: Cross multiply
    580,522.87x = 801,141.42 × 322,403.86
  4. Step 4: Simplify right side
    580,522.87x = 258,291,086,213.88
  5. Step 5: Solve for x
    x = 258,291,086,213.88/580,522.87
  6. Step 6: Final answer
    x = 444,928.36

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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.