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Finding the Fourth Proportional to 343,902.38, 474,629.02 and 192,999.38

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Solution

The fourth proportional to 343,902.38, 474,629.02 and 192,999.38 is: 266,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,902.38 : 474,629.02 = 192,999.38 : x
  2. Step 2: Convert to fraction form
    343,902.38/474,629.02 = 192,999.38/x
  3. Step 3: Cross multiply
    343,902.38x = 474,629.02 × 192,999.38
  4. Step 4: Simplify right side
    343,902.38x = 91,603,103,734.36
  5. Step 5: Solve for x
    x = 91,603,103,734.36/343,902.38
  6. Step 6: Final answer
    x = 266,363.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.