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Finding the Fourth Proportional to 296,720.52, 445,136.56 and 119,241.60

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Solution

The fourth proportional to 296,720.52, 445,136.56 and 119,241.60 is: 178,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,720.52 : 445,136.56 = 119,241.60 : x
  2. Step 2: Convert to fraction form
    296,720.52/445,136.56 = 119,241.60/x
  3. Step 3: Cross multiply
    296,720.52x = 445,136.56 × 119,241.60
  4. Step 4: Simplify right side
    296,720.52x = 53,078,795,632.90
  5. Step 5: Solve for x
    x = 53,078,795,632.90/296,720.52
  6. Step 6: Final answer
    x = 178,884.82

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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.