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Finding the Fourth Proportional to 541,503.06, 812,999.91 and 275,443.44

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Solution

The fourth proportional to 541,503.06, 812,999.91 and 275,443.44 is: 413,544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,503.06 : 812,999.91 = 275,443.44 : x
  2. Step 2: Convert to fraction form
    541,503.06/812,999.91 = 275,443.44/x
  3. Step 3: Cross multiply
    541,503.06x = 812,999.91 × 275,443.44
  4. Step 4: Simplify right side
    541,503.06x = 223,935,491,930.09
  5. Step 5: Solve for x
    x = 223,935,491,930.09/541,503.06
  6. Step 6: Final answer
    x = 413,544.28

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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.