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Finding the Fourth Proportional to 580,321.56, 800,848.44 and 325,732.80

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Solution

The fourth proportional to 580,321.56, 800,848.44 and 325,732.80 is: 449,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,321.56 : 800,848.44 = 325,732.80 : x
  2. Step 2: Convert to fraction form
    580,321.56/800,848.44 = 325,732.80/x
  3. Step 3: Cross multiply
    580,321.56x = 800,848.44 × 325,732.80
  4. Step 4: Simplify right side
    580,321.56x = 260,862,604,736.83
  5. Step 5: Solve for x
    x = 260,862,604,736.83/580,321.56
  6. Step 6: Final answer
    x = 449,513.89

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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.