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Finding the Fourth Proportional to 539,166.60, 809,268.30 and 273,227.40

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Solution

The fourth proportional to 539,166.60, 809,268.30 and 273,227.40 is: 410,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,166.60 : 809,268.30 = 273,227.40 : x
  2. Step 2: Convert to fraction form
    539,166.60/809,268.30 = 273,227.40/x
  3. Step 3: Cross multiply
    539,166.60x = 809,268.30 × 273,227.40
  4. Step 4: Simplify right side
    539,166.60x = 221,114,273,511.42
  5. Step 5: Solve for x
    x = 221,114,273,511.42/539,166.60
  6. Step 6: Final answer
    x = 410,103.80

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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.