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Finding the Fourth Proportional to 598,399.47, 825,678.45 and 356,704.56

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Solution

The fourth proportional to 598,399.47, 825,678.45 and 356,704.56 is: 492,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,399.47 : 825,678.45 = 356,704.56 : x
  2. Step 2: Convert to fraction form
    598,399.47/825,678.45 = 356,704.56/x
  3. Step 3: Cross multiply
    598,399.47x = 825,678.45 × 356,704.56
  4. Step 4: Simplify right side
    598,399.47x = 294,523,268,208.73
  5. Step 5: Solve for x
    x = 294,523,268,208.73/598,399.47
  6. Step 6: Final answer
    x = 492,185.04

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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.