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Finding the Fourth Proportional to 580,173.91, 800,653.78 and 325,543.93

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Solution

The fourth proportional to 580,173.91, 800,653.78 and 325,543.93 is: 449,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,173.91 : 800,653.78 = 325,543.93 : x
  2. Step 2: Convert to fraction form
    580,173.91/800,653.78 = 325,543.93/x
  3. Step 3: Cross multiply
    580,173.91x = 800,653.78 × 325,543.93
  4. Step 4: Simplify right side
    580,173.91x = 260,647,978,110.56
  5. Step 5: Solve for x
    x = 260,647,978,110.56/580,173.91
  6. Step 6: Final answer
    x = 449,258.36

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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.