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Finding the Fourth Proportional to 580,179.16, 800,634.52 and 322,040.92

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Solution

The fourth proportional to 580,179.16, 800,634.52 and 322,040.92 is: 444,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,179.16 : 800,634.52 = 322,040.92 : x
  2. Step 2: Convert to fraction form
    580,179.16/800,634.52 = 322,040.92/x
  3. Step 3: Cross multiply
    580,179.16x = 800,634.52 × 322,040.92
  4. Step 4: Simplify right side
    580,179.16x = 257,837,077,404.56
  5. Step 5: Solve for x
    x = 257,837,077,404.56/580,179.16
  6. Step 6: Final answer
    x = 444,409.41

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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.