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Finding the Fourth Proportional to 536,427.60, 804,738.60 and 269,516.40

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Solution

The fourth proportional to 536,427.60, 804,738.60 and 269,516.40 is: 404,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,427.60 : 804,738.60 = 269,516.40 : x
  2. Step 2: Convert to fraction form
    536,427.60/804,738.60 = 269,516.40/x
  3. Step 3: Cross multiply
    536,427.60x = 804,738.60 × 269,516.40
  4. Step 4: Simplify right side
    536,427.60x = 216,890,250,413.04
  5. Step 5: Solve for x
    x = 216,890,250,413.04/536,427.60
  6. Step 6: Final answer
    x = 404,323.44

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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.