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Finding the Fourth Proportional to 483,087.73, 724,250.49 and 305,219.83

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Solution

The fourth proportional to 483,087.73, 724,250.49 and 305,219.83 is: 457,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,087.73 : 724,250.49 = 305,219.83 : x
  2. Step 2: Convert to fraction form
    483,087.73/724,250.49 = 305,219.83/x
  3. Step 3: Cross multiply
    483,087.73x = 724,250.49 × 305,219.83
  4. Step 4: Simplify right side
    483,087.73x = 221,055,611,435.22
  5. Step 5: Solve for x
    x = 221,055,611,435.22/483,087.73
  6. Step 6: Final answer
    x = 457,588.96

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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.