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Finding the Fourth Proportional to 599,675.06, 827,471.60 and 385,105.76

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Solution

The fourth proportional to 599,675.06, 827,471.60 and 385,105.76 is: 531,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,675.06 : 827,471.60 = 385,105.76 : x
  2. Step 2: Convert to fraction form
    599,675.06/827,471.60 = 385,105.76/x
  3. Step 3: Cross multiply
    599,675.06x = 827,471.60 × 385,105.76
  4. Step 4: Simplify right side
    599,675.06x = 318,664,079,396.42
  5. Step 5: Solve for x
    x = 318,664,079,396.42/599,675.06
  6. Step 6: Final answer
    x = 531,394.58

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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.