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Finding the Fourth Proportional to 355,195.33, 490,167.75 and 194,059.60

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Solution

The fourth proportional to 355,195.33, 490,167.75 and 194,059.60 is: 267,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,195.33 : 490,167.75 = 194,059.60 : x
  2. Step 2: Convert to fraction form
    355,195.33/490,167.75 = 194,059.60/x
  3. Step 3: Cross multiply
    355,195.33x = 490,167.75 × 194,059.60
  4. Step 4: Simplify right side
    355,195.33x = 95,121,757,000.20
  5. Step 5: Solve for x
    x = 95,121,757,000.20/355,195.33
  6. Step 6: Final answer
    x = 267,801.26

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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.