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Finding the Fourth Proportional to 423,932.54, 635,992.24 and 234,668.97

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Solution

The fourth proportional to 423,932.54, 635,992.24 and 234,668.97 is: 352,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,932.54 : 635,992.24 = 234,668.97 : x
  2. Step 2: Convert to fraction form
    423,932.54/635,992.24 = 234,668.97/x
  3. Step 3: Cross multiply
    423,932.54x = 635,992.24 × 234,668.97
  4. Step 4: Simplify right side
    423,932.54x = 149,247,643,302.12
  5. Step 5: Solve for x
    x = 149,247,643,302.12/423,932.54
  6. Step 6: Final answer
    x = 352,055.17

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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.