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Finding the Fourth Proportional to 326,425.84, 450,471 and 181,234

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Solution

The fourth proportional to 326,425.84, 450,471 and 181,234 is: 250,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,425.84 : 450,471 = 181,234 : x
  2. Step 2: Convert to fraction form
    326,425.84/450,471 = 181,234/x
  3. Step 3: Cross multiply
    326,425.84x = 450,471 × 181,234
  4. Step 4: Simplify right side
    326,425.84x = 81,640,661,214
  5. Step 5: Solve for x
    x = 81,640,661,214/326,425.84
  6. Step 6: Final answer
    x = 250,104.77

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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.