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Finding the Fourth Proportional to 408,850.60, 613,057.20 and 171,925.60

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Solution

The fourth proportional to 408,850.60, 613,057.20 and 171,925.60 is: 257,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,850.60 : 613,057.20 = 171,925.60 : x
  2. Step 2: Convert to fraction form
    408,850.60/613,057.20 = 171,925.60/x
  3. Step 3: Cross multiply
    408,850.60x = 613,057.20 × 171,925.60
  4. Step 4: Simplify right side
    408,850.60x = 105,400,226,944.32
  5. Step 5: Solve for x
    x = 105,400,226,944.32/408,850.60
  6. Step 6: Final answer
    x = 257,796.43

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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.