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Finding the Fourth Proportional to 293,803.60, 440,851.20 and 167,540.80

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Solution

The fourth proportional to 293,803.60, 440,851.20 and 167,540.80 is: 251,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,803.60 : 440,851.20 = 167,540.80 : x
  2. Step 2: Convert to fraction form
    293,803.60/440,851.20 = 167,540.80/x
  3. Step 3: Cross multiply
    293,803.60x = 440,851.20 × 167,540.80
  4. Step 4: Simplify right side
    293,803.60x = 73,860,562,728.96
  5. Step 5: Solve for x
    x = 73,860,562,728.96/293,803.60
  6. Step 6: Final answer
    x = 251,394.34

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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.