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Finding the Fourth Proportional to 367,457.70, 550,906.20 and 167,638.35

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Solution

The fourth proportional to 367,457.70, 550,906.20 and 167,638.35 is: 251,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,457.70 : 550,906.20 = 167,638.35 : x
  2. Step 2: Convert to fraction form
    367,457.70/550,906.20 = 167,638.35/x
  3. Step 3: Cross multiply
    367,457.70x = 550,906.20 × 167,638.35
  4. Step 4: Simplify right side
    367,457.70x = 92,353,006,372.77
  5. Step 5: Solve for x
    x = 92,353,006,372.77/367,457.70
  6. Step 6: Final answer
    x = 251,329.63

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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.