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Finding the Fourth Proportional to 288,441.56, 397,951.91 and 167,483.37

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Solution

The fourth proportional to 288,441.56, 397,951.91 and 167,483.37 is: 231,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,441.56 : 397,951.91 = 167,483.37 : x
  2. Step 2: Convert to fraction form
    288,441.56/397,951.91 = 167,483.37/x
  3. Step 3: Cross multiply
    288,441.56x = 397,951.91 × 167,483.37
  4. Step 4: Simplify right side
    288,441.56x = 66,650,324,994.98
  5. Step 5: Solve for x
    x = 66,650,324,994.98/288,441.56
  6. Step 6: Final answer
    x = 231,070.47

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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.