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Finding the Fourth Proportional to 483,632.40, 725,794.20 and 203,350.80

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Solution

The fourth proportional to 483,632.40, 725,794.20 and 203,350.80 is: 305,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,632.40 : 725,794.20 = 203,350.80 : x
  2. Step 2: Convert to fraction form
    483,632.40/725,794.20 = 203,350.80/x
  3. Step 3: Cross multiply
    483,632.40x = 725,794.20 × 203,350.80
  4. Step 4: Simplify right side
    483,632.40x = 147,590,831,205.36
  5. Step 5: Solve for x
    x = 147,590,831,205.36/483,632.40
  6. Step 6: Final answer
    x = 305,171.51

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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.