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Finding the Fourth Proportional to 599,658.56, 827,448.86 and 385,089.26

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Solution

The fourth proportional to 599,658.56, 827,448.86 and 385,089.26 is: 531,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,658.56 : 827,448.86 = 385,089.26 : x
  2. Step 2: Convert to fraction form
    599,658.56/827,448.86 = 385,089.26/x
  3. Step 3: Cross multiply
    599,658.56x = 827,448.86 × 385,089.26
  4. Step 4: Simplify right side
    599,658.56x = 318,641,667,259.80
  5. Step 5: Solve for x
    x = 318,641,667,259.80/599,658.56
  6. Step 6: Final answer
    x = 531,371.84

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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.