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Finding the Fourth Proportional to 580,692.83, 801,378.57 and 322,589.32

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Solution

The fourth proportional to 580,692.83, 801,378.57 and 322,589.32 is: 445,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,692.83 : 801,378.57 = 322,589.32 : x
  2. Step 2: Convert to fraction form
    580,692.83/801,378.57 = 322,589.32/x
  3. Step 3: Cross multiply
    580,692.83x = 801,378.57 × 322,589.32
  4. Step 4: Simplify right side
    580,692.83x = 258,516,167,958.87
  5. Step 5: Solve for x
    x = 258,516,167,958.87/580,692.83
  6. Step 6: Final answer
    x = 445,185.75

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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.