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Finding the Fourth Proportional to 269,557.80, 404,628.30 and 169,830.60

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Solution

The fourth proportional to 269,557.80, 404,628.30 and 169,830.60 is: 254,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,557.80 : 404,628.30 = 169,830.60 : x
  2. Step 2: Convert to fraction form
    269,557.80/404,628.30 = 169,830.60/x
  3. Step 3: Cross multiply
    269,557.80x = 404,628.30 × 169,830.60
  4. Step 4: Simplify right side
    269,557.80x = 68,718,266,965.98
  5. Step 5: Solve for x
    x = 68,718,266,965.98/269,557.80
  6. Step 6: Final answer
    x = 254,929.62

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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.