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Finding the Fourth Proportional to 483,958.60, 726,197.10 and 203,504.20

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Solution

The fourth proportional to 483,958.60, 726,197.10 and 203,504.20 is: 305,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,958.60 : 726,197.10 = 203,504.20 : x
  2. Step 2: Convert to fraction form
    483,958.60/726,197.10 = 203,504.20/x
  3. Step 3: Cross multiply
    483,958.60x = 726,197.10 × 203,504.20
  4. Step 4: Simplify right side
    483,958.60x = 147,784,159,877.82
  5. Step 5: Solve for x
    x = 147,784,159,877.82/483,958.60
  6. Step 6: Final answer
    x = 305,365.29

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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.