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Finding the Fourth Proportional to 204,736.60, 307,104.90 and 187,021.90

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Solution

The fourth proportional to 204,736.60, 307,104.90 and 187,021.90 is: 280,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,736.60 : 307,104.90 = 187,021.90 : x
  2. Step 2: Convert to fraction form
    204,736.60/307,104.90 = 187,021.90/x
  3. Step 3: Cross multiply
    204,736.60x = 307,104.90 × 187,021.90
  4. Step 4: Simplify right side
    204,736.60x = 57,435,341,897.31
  5. Step 5: Solve for x
    x = 57,435,341,897.31/204,736.60
  6. Step 6: Final answer
    x = 280,532.85

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1.5x scale

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.