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Finding the Fourth Proportional to 408,839.80, 613,259.70 and 184,453.60

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Solution

The fourth proportional to 408,839.80, 613,259.70 and 184,453.60 is: 276,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,839.80 : 613,259.70 = 184,453.60 : x
  2. Step 2: Convert to fraction form
    408,839.80/613,259.70 = 184,453.60/x
  3. Step 3: Cross multiply
    408,839.80x = 613,259.70 × 184,453.60
  4. Step 4: Simplify right side
    408,839.80x = 113,117,959,399.92
  5. Step 5: Solve for x
    x = 113,117,959,399.92/408,839.80
  6. Step 6: Final answer
    x = 276,680.40

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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.