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Finding the Fourth Proportional to 481,429.02, 721,873.56 and 329,797.42

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Solution

The fourth proportional to 481,429.02, 721,873.56 and 329,797.42 is: 494,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,429.02 : 721,873.56 = 329,797.42 : x
  2. Step 2: Convert to fraction form
    481,429.02/721,873.56 = 329,797.42/x
  3. Step 3: Cross multiply
    481,429.02x = 721,873.56 × 329,797.42
  4. Step 4: Simplify right side
    481,429.02x = 238,072,037,654.22
  5. Step 5: Solve for x
    x = 238,072,037,654.22/481,429.02
  6. Step 6: Final answer
    x = 494,511.19

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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.