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Finding the Fourth Proportional to 269,583.80, 404,375.70 and 266,084.60

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Solution

The fourth proportional to 269,583.80, 404,375.70 and 266,084.60 is: 399,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,583.80 : 404,375.70 = 266,084.60 : x
  2. Step 2: Convert to fraction form
    269,583.80/404,375.70 = 266,084.60/x
  3. Step 3: Cross multiply
    269,583.80x = 404,375.70 × 266,084.60
  4. Step 4: Simplify right side
    269,583.80x = 107,598,146,384.22
  5. Step 5: Solve for x
    x = 107,598,146,384.22/269,583.80
  6. Step 6: Final answer
    x = 399,126.90

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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.