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Finding the Fourth Proportional to 580,091.88, 800,623.11 and 338,374.61

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Solution

The fourth proportional to 580,091.88, 800,623.11 and 338,374.61 is: 467,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,091.88 : 800,623.11 = 338,374.61 : x
  2. Step 2: Convert to fraction form
    580,091.88/800,623.11 = 338,374.61/x
  3. Step 3: Cross multiply
    580,091.88x = 800,623.11 × 338,374.61
  4. Step 4: Simplify right side
    580,091.88x = 270,910,536,423.19
  5. Step 5: Solve for x
    x = 270,910,536,423.19/580,091.88
  6. Step 6: Final answer
    x = 467,013.15

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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.