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Finding the Fourth Proportional to 404,619.80, 606,273.60 and 254,591.60

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Solution

The fourth proportional to 404,619.80, 606,273.60 and 254,591.60 is: 381,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,619.80 : 606,273.60 = 254,591.60 : x
  2. Step 2: Convert to fraction form
    404,619.80/606,273.60 = 254,591.60/x
  3. Step 3: Cross multiply
    404,619.80x = 606,273.60 × 254,591.60
  4. Step 4: Simplify right side
    404,619.80x = 154,352,165,861.76
  5. Step 5: Solve for x
    x = 154,352,165,861.76/404,619.80
  6. Step 6: Final answer
    x = 381,474.57

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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.