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Finding the Fourth Proportional to 483,270.60, 666,644.66 and 449,059.03

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Solution

The fourth proportional to 483,270.60, 666,644.66 and 449,059.03 is: 619,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,270.60 : 666,644.66 = 449,059.03 : x
  2. Step 2: Convert to fraction form
    483,270.60/666,644.66 = 449,059.03/x
  3. Step 3: Cross multiply
    483,270.60x = 666,644.66 × 449,059.03
  4. Step 4: Simplify right side
    483,270.60x = 299,362,802,128.99
  5. Step 5: Solve for x
    x = 299,362,802,128.99/483,270.60
  6. Step 6: Final answer
    x = 619,451.72

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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.