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Finding the Fourth Proportional to 325,334.08, 488,040.48 and 114,928.96

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Solution

The fourth proportional to 325,334.08, 488,040.48 and 114,928.96 is: 172,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,334.08 : 488,040.48 = 114,928.96 : x
  2. Step 2: Convert to fraction form
    325,334.08/488,040.48 = 114,928.96/x
  3. Step 3: Cross multiply
    325,334.08x = 488,040.48 × 114,928.96
  4. Step 4: Simplify right side
    325,334.08x = 56,089,984,804.30
  5. Step 5: Solve for x
    x = 56,089,984,804.30/325,334.08
  6. Step 6: Final answer
    x = 172,407.34

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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.