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Finding the Fourth Proportional to 408,924.21, 613,351.08 and 248,958.73

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Solution

The fourth proportional to 408,924.21, 613,351.08 and 248,958.73 is: 373,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,924.21 : 613,351.08 = 248,958.73 : x
  2. Step 2: Convert to fraction form
    408,924.21/613,351.08 = 248,958.73/x
  3. Step 3: Cross multiply
    408,924.21x = 613,351.08 × 248,958.73
  4. Step 4: Simplify right side
    408,924.21x = 152,699,104,387.55
  5. Step 5: Solve for x
    x = 152,699,104,387.55/408,924.21
  6. Step 6: Final answer
    x = 373,416.64

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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.