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Finding the Fourth Proportional to 325,615.41, 488,162.23 and 154,751.31

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Solution

The fourth proportional to 325,615.41, 488,162.23 and 154,751.31 is: 232,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,615.41 : 488,162.23 = 154,751.31 : x
  2. Step 2: Convert to fraction form
    325,615.41/488,162.23 = 154,751.31/x
  3. Step 3: Cross multiply
    325,615.41x = 488,162.23 × 154,751.31
  4. Step 4: Simplify right side
    325,615.41x = 75,543,744,198.14
  5. Step 5: Solve for x
    x = 75,543,744,198.14/325,615.41
  6. Step 6: Final answer
    x = 232,002.98

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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.