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Finding the Fourth Proportional to 5,465,200.80, 8,197,801.20 and 3,197,719.20

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Solution

The fourth proportional to 5,465,200.80, 8,197,801.20 and 3,197,719.20 is: 4,796,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465,200.80 : 8,197,801.20 = 3,197,719.20 : x
  2. Step 2: Convert to fraction form
    5,465,200.80/8,197,801.20 = 3,197,719.20/x
  3. Step 3: Cross multiply
    5,465,200.80x = 8,197,801.20 × 3,197,719.20
  4. Step 4: Simplify right side
    5,465,200.80x = 26,214,266,295,023.04
  5. Step 5: Solve for x
    x = 26,214,266,295,023.04/5,465,200.80
  6. Step 6: Final answer
    x = 4,796,578.80

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1.5x scale

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.