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Finding the Fourth Proportional to 608,324.41, 839,493.12 and 336,410.61

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Solution

The fourth proportional to 608,324.41, 839,493.12 and 336,410.61 is: 464,249.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,324.41 : 839,493.12 = 336,410.61 : x
  2. Step 2: Convert to fraction form
    608,324.41/839,493.12 = 336,410.61/x
  3. Step 3: Cross multiply
    608,324.41x = 839,493.12 × 336,410.61
  4. Step 4: Simplify right side
    608,324.41x = 282,414,388,392.54
  5. Step 5: Solve for x
    x = 282,414,388,392.54/608,324.41
  6. Step 6: Final answer
    x = 464,249.64

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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.