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Finding the Fourth Proportional to 325,608.96, 488,019.78 and 167,751.30

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Solution

The fourth proportional to 325,608.96, 488,019.78 and 167,751.30 is: 251,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,608.96 : 488,019.78 = 167,751.30 : x
  2. Step 2: Convert to fraction form
    325,608.96/488,019.78 = 167,751.30/x
  3. Step 3: Cross multiply
    325,608.96x = 488,019.78 × 167,751.30
  4. Step 4: Simplify right side
    325,608.96x = 81,865,952,520.71
  5. Step 5: Solve for x
    x = 81,865,952,520.71/325,608.96
  6. Step 6: Final answer
    x = 251,424.14

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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.