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Finding the Fourth Proportional to 580,231.85, 870,525.92 and 277,012.89

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Solution

The fourth proportional to 580,231.85, 870,525.92 and 277,012.89 is: 415,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,231.85 : 870,525.92 = 277,012.89 : x
  2. Step 2: Convert to fraction form
    580,231.85/870,525.92 = 277,012.89/x
  3. Step 3: Cross multiply
    580,231.85x = 870,525.92 × 277,012.89
  4. Step 4: Simplify right side
    580,231.85x = 241,146,901,611.64
  5. Step 5: Solve for x
    x = 241,146,901,611.64/580,231.85
  6. Step 6: Final answer
    x = 415,604.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.