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Finding the Fourth Proportional to 343,760.30, 474,476.42 and 234,908.71

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Solution

The fourth proportional to 343,760.30, 474,476.42 and 234,908.71 is: 324,233.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,760.30 : 474,476.42 = 234,908.71 : x
  2. Step 2: Convert to fraction form
    343,760.30/474,476.42 = 234,908.71/x
  3. Step 3: Cross multiply
    343,760.30x = 474,476.42 × 234,908.71
  4. Step 4: Simplify right side
    343,760.30x = 111,458,643,747.62
  5. Step 5: Solve for x
    x = 111,458,643,747.62/343,760.30
  6. Step 6: Final answer
    x = 324,233.61

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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.