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Finding the Fourth Proportional to 354,072.97, 531,266.43 and 185,553.22

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Solution

The fourth proportional to 354,072.97, 531,266.43 and 185,553.22 is: 278,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,072.97 : 531,266.43 = 185,553.22 : x
  2. Step 2: Convert to fraction form
    354,072.97/531,266.43 = 185,553.22/x
  3. Step 3: Cross multiply
    354,072.97x = 531,266.43 × 185,553.22
  4. Step 4: Simplify right side
    354,072.97x = 98,578,196,764.40
  5. Step 5: Solve for x
    x = 98,578,196,764.40/354,072.97
  6. Step 6: Final answer
    x = 278,412.09

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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.