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Finding the Fourth Proportional to 483,323.72, 667,172.73 and 322,119.95

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Solution

The fourth proportional to 483,323.72, 667,172.73 and 322,119.95 is: 444,649.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,323.72 : 667,172.73 = 322,119.95 : x
  2. Step 2: Convert to fraction form
    483,323.72/667,172.73 = 322,119.95/x
  3. Step 3: Cross multiply
    483,323.72x = 667,172.73 × 322,119.95
  4. Step 4: Simplify right side
    483,323.72x = 214,909,646,428.96
  5. Step 5: Solve for x
    x = 214,909,646,428.96/483,323.72
  6. Step 6: Final answer
    x = 444,649.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.