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Finding the Fourth Proportional to 317,249.79, 437,902.73 and 204,072.54

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Solution

The fourth proportional to 317,249.79, 437,902.73 and 204,072.54 is: 281,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,249.79 : 437,902.73 = 204,072.54 : x
  2. Step 2: Convert to fraction form
    317,249.79/437,902.73 = 204,072.54/x
  3. Step 3: Cross multiply
    317,249.79x = 437,902.73 × 204,072.54
  4. Step 4: Simplify right side
    317,249.79x = 89,363,922,384.03
  5. Step 5: Solve for x
    x = 89,363,922,384.03/317,249.79
  6. Step 6: Final answer
    x = 281,683.16

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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.