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Finding the Fourth Proportional to 809,203.20, 1,166,745.60 and 809,203.20

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Solution

The fourth proportional to 809,203.20, 1,166,745.60 and 809,203.20 is: 1,166,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,203.20 : 1,166,745.60 = 809,203.20 : x
  2. Step 2: Convert to fraction form
    809,203.20/1,166,745.60 = 809,203.20/x
  3. Step 3: Cross multiply
    809,203.20x = 1,166,745.60 × 809,203.20
  4. Step 4: Simplify right side
    809,203.20x = 944,134,273,105.92
  5. Step 5: Solve for x
    x = 944,134,273,105.92/809,203.20
  6. Step 6: Final answer
    x = 1,166,745.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.