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Finding the Fourth Proportional to 523,996.44, 786,147.72 and 169,002.60

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Solution

The fourth proportional to 523,996.44, 786,147.72 and 169,002.60 is: 253,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,996.44 : 786,147.72 = 169,002.60 : x
  2. Step 2: Convert to fraction form
    523,996.44/786,147.72 = 169,002.60/x
  3. Step 3: Cross multiply
    523,996.44x = 786,147.72 × 169,002.60
  4. Step 4: Simplify right side
    523,996.44x = 132,861,008,664.07
  5. Step 5: Solve for x
    x = 132,861,008,664.07/523,996.44
  6. Step 6: Final answer
    x = 253,553.27

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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.