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Finding the Fourth Proportional to 308,940.74, 463,118.92 and 232,921.33

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Solution

The fourth proportional to 308,940.74, 463,118.92 and 232,921.33 is: 349,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,940.74 : 463,118.92 = 232,921.33 : x
  2. Step 2: Convert to fraction form
    308,940.74/463,118.92 = 232,921.33/x
  3. Step 3: Cross multiply
    308,940.74x = 463,118.92 × 232,921.33
  4. Step 4: Simplify right side
    308,940.74x = 107,870,271,896.67
  5. Step 5: Solve for x
    x = 107,870,271,896.67/308,940.74
  6. Step 6: Final answer
    x = 349,161.70

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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.