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Finding the Fourth Proportional to 481,744.15, 722,575.23 and 197,353.51

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Solution

The fourth proportional to 481,744.15, 722,575.23 and 197,353.51 is: 296,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,744.15 : 722,575.23 = 197,353.51 : x
  2. Step 2: Convert to fraction form
    481,744.15/722,575.23 = 197,353.51/x
  3. Step 3: Cross multiply
    481,744.15x = 722,575.23 × 197,353.51
  4. Step 4: Simplify right side
    481,744.15x = 142,602,757,879.56
  5. Step 5: Solve for x
    x = 142,602,757,879.56/481,744.15
  6. Step 6: Final answer
    x = 296,013.47

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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.