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Finding the Fourth Proportional to 580,175.25, 800,655.65 and 325,545.27

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Solution

The fourth proportional to 580,175.25, 800,655.65 and 325,545.27 is: 449,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,175.25 : 800,655.65 = 325,545.27 : x
  2. Step 2: Convert to fraction form
    580,175.25/800,655.65 = 325,545.27/x
  3. Step 3: Cross multiply
    580,175.25x = 800,655.65 × 325,545.27
  4. Step 4: Simplify right side
    580,175.25x = 260,649,658,128.55
  5. Step 5: Solve for x
    x = 260,649,658,128.55/580,175.25
  6. Step 6: Final answer
    x = 449,260.22

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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.