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Finding the Fourth Proportional to 664,548.56, 996,837 and 238,112.24

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Solution

The fourth proportional to 664,548.56, 996,837 and 238,112.24 is: 357,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,548.56 : 996,837 = 238,112.24 : x
  2. Step 2: Convert to fraction form
    664,548.56/996,837 = 238,112.24/x
  3. Step 3: Cross multiply
    664,548.56x = 996,837 × 238,112.24
  4. Step 4: Simplify right side
    664,548.56x = 237,359,090,984.88
  5. Step 5: Solve for x
    x = 237,359,090,984.88/664,548.56
  6. Step 6: Final answer
    x = 357,173.43

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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.