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Finding the Fourth Proportional to 408,791.46, 613,187.38 and 183,889.14

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Solution

The fourth proportional to 408,791.46, 613,187.38 and 183,889.14 is: 275,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,791.46 : 613,187.38 = 183,889.14 : x
  2. Step 2: Convert to fraction form
    408,791.46/613,187.38 = 183,889.14/x
  3. Step 3: Cross multiply
    408,791.46x = 613,187.38 × 183,889.14
  4. Step 4: Simplify right side
    408,791.46x = 112,758,499,967.05
  5. Step 5: Solve for x
    x = 112,758,499,967.05/408,791.46
  6. Step 6: Final answer
    x = 275,833.80

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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.