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Finding the Fourth Proportional to 347,940.70, 480,150.03 and 204,709.96

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Solution

The fourth proportional to 347,940.70, 480,150.03 and 204,709.96 is: 282,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,940.70 : 480,150.03 = 204,709.96 : x
  2. Step 2: Convert to fraction form
    347,940.70/480,150.03 = 204,709.96/x
  3. Step 3: Cross multiply
    347,940.70x = 480,150.03 × 204,709.96
  4. Step 4: Simplify right side
    347,940.70x = 98,291,493,435.30
  5. Step 5: Solve for x
    x = 98,291,493,435.30/347,940.70
  6. Step 6: Final answer
    x = 282,494.96

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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.