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Finding the Fourth Proportional to 404,276.80, 606,852.60 and 227,129.80

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Solution

The fourth proportional to 404,276.80, 606,852.60 and 227,129.80 is: 340,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,276.80 : 606,852.60 = 227,129.80 : x
  2. Step 2: Convert to fraction form
    404,276.80/606,852.60 = 227,129.80/x
  3. Step 3: Cross multiply
    404,276.80x = 606,852.60 × 227,129.80
  4. Step 4: Simplify right side
    404,276.80x = 137,834,309,667.48
  5. Step 5: Solve for x
    x = 137,834,309,667.48/404,276.80
  6. Step 6: Final answer
    x = 340,940.44

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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.