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Finding the Fourth Proportional to 325,475.60, 487,824.60 and 167,622.80

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Solution

The fourth proportional to 325,475.60, 487,824.60 and 167,622.80 is: 251,233.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,475.60 : 487,824.60 = 167,622.80 : x
  2. Step 2: Convert to fraction form
    325,475.60/487,824.60 = 167,622.80/x
  3. Step 3: Cross multiply
    325,475.60x = 487,824.60 × 167,622.80
  4. Step 4: Simplify right side
    325,475.60x = 81,770,525,360.88
  5. Step 5: Solve for x
    x = 81,770,525,360.88/325,475.60
  6. Step 6: Final answer
    x = 251,233.96

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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.