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Finding the Fourth Proportional to 270,280.80, 404,812.26 and 209,828.03

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Solution

The fourth proportional to 270,280.80, 404,812.26 and 209,828.03 is: 314,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,280.80 : 404,812.26 = 209,828.03 : x
  2. Step 2: Convert to fraction form
    270,280.80/404,812.26 = 209,828.03/x
  3. Step 3: Cross multiply
    270,280.80x = 404,812.26 × 209,828.03
  4. Step 4: Simplify right side
    270,280.80x = 84,940,957,011.59
  5. Step 5: Solve for x
    x = 84,940,957,011.59/270,280.80
  6. Step 6: Final answer
    x = 314,269.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.