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Finding the Fourth Proportional to 423,940.54, 636,004.24 and 234,676.98

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Solution

The fourth proportional to 423,940.54, 636,004.24 and 234,676.98 is: 352,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,940.54 : 636,004.24 = 234,676.98 : x
  2. Step 2: Convert to fraction form
    423,940.54/636,004.24 = 234,676.98/x
  3. Step 3: Cross multiply
    423,940.54x = 636,004.24 × 234,676.98
  4. Step 4: Simplify right side
    423,940.54x = 149,255,554,310.40
  5. Step 5: Solve for x
    x = 149,255,554,310.40/423,940.54
  6. Step 6: Final answer
    x = 352,067.19

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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.