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Finding the Fourth Proportional to 599,660.56, 827,451.62 and 385,091.26

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Solution

The fourth proportional to 599,660.56, 827,451.62 and 385,091.26 is: 531,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,660.56 : 827,451.62 = 385,091.26 : x
  2. Step 2: Convert to fraction form
    599,660.56/827,451.62 = 385,091.26/x
  3. Step 3: Cross multiply
    599,660.56x = 827,451.62 × 385,091.26
  4. Step 4: Simplify right side
    599,660.56x = 318,644,386,934.84
  5. Step 5: Solve for x
    x = 318,644,386,934.84/599,660.56
  6. Step 6: Final answer
    x = 531,374.59

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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.