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Finding the Fourth Proportional to 580,172.22, 800,373.96 and 376,274.57

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Solution

The fourth proportional to 580,172.22, 800,373.96 and 376,274.57 is: 519,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,172.22 : 800,373.96 = 376,274.57 : x
  2. Step 2: Convert to fraction form
    580,172.22/800,373.96 = 376,274.57/x
  3. Step 3: Cross multiply
    580,172.22x = 800,373.96 × 376,274.57
  4. Step 4: Simplify right side
    580,172.22x = 301,160,363,636.33
  5. Step 5: Solve for x
    x = 301,160,363,636.33/580,172.22
  6. Step 6: Final answer
    x = 519,087.87

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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.