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Finding the Fourth Proportional to 378,226.80, 567,340.20 and 341,362.80

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Solution

The fourth proportional to 378,226.80, 567,340.20 and 341,362.80 is: 512,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,226.80 : 567,340.20 = 341,362.80 : x
  2. Step 2: Convert to fraction form
    378,226.80/567,340.20 = 341,362.80/x
  3. Step 3: Cross multiply
    378,226.80x = 567,340.20 × 341,362.80
  4. Step 4: Simplify right side
    378,226.80x = 193,668,839,224.56
  5. Step 5: Solve for x
    x = 193,668,839,224.56/378,226.80
  6. Step 6: Final answer
    x = 512,044.20

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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.