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Finding the Fourth Proportional to 574,657.44, 792,996.72 and 329,629.56

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Solution

The fourth proportional to 574,657.44, 792,996.72 and 329,629.56 is: 454,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,657.44 : 792,996.72 = 329,629.56 : x
  2. Step 2: Convert to fraction form
    574,657.44/792,996.72 = 329,629.56/x
  3. Step 3: Cross multiply
    574,657.44x = 792,996.72 × 329,629.56
  4. Step 4: Simplify right side
    574,657.44x = 261,395,159,895.04
  5. Step 5: Solve for x
    x = 261,395,159,895.04/574,657.44
  6. Step 6: Final answer
    x = 454,871.27

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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.