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Finding the Fourth Proportional to 367,564.38, 551,563.22 and 154,369.70

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Solution

The fourth proportional to 367,564.38, 551,563.22 and 154,369.70 is: 231,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,564.38 : 551,563.22 = 154,369.70 : x
  2. Step 2: Convert to fraction form
    367,564.38/551,563.22 = 154,369.70/x
  3. Step 3: Cross multiply
    367,564.38x = 551,563.22 × 154,369.70
  4. Step 4: Simplify right side
    367,564.38x = 85,144,648,498.90
  5. Step 5: Solve for x
    x = 85,144,648,498.90/367,564.38
  6. Step 6: Final answer
    x = 231,645.54

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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.