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Finding the Fourth Proportional to 548,147.38, 822,230.16 and 193,165.69

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Solution

The fourth proportional to 548,147.38, 822,230.16 and 193,165.69 is: 289,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,147.38 : 822,230.16 = 193,165.69 : x
  2. Step 2: Convert to fraction form
    548,147.38/822,230.16 = 193,165.69/x
  3. Step 3: Cross multiply
    548,147.38x = 822,230.16 × 193,165.69
  4. Step 4: Simplify right side
    548,147.38x = 158,826,656,195.21
  5. Step 5: Solve for x
    x = 158,826,656,195.21/548,147.38
  6. Step 6: Final answer
    x = 289,751.74

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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.