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Finding the Fourth Proportional to 361,010.31, 541,528.02 and 171,372.98

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Solution

The fourth proportional to 361,010.31, 541,528.02 and 171,372.98 is: 257,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,010.31 : 541,528.02 = 171,372.98 : x
  2. Step 2: Convert to fraction form
    361,010.31/541,528.02 = 171,372.98/x
  3. Step 3: Cross multiply
    361,010.31x = 541,528.02 × 171,372.98
  4. Step 4: Simplify right side
    361,010.31x = 92,803,270,453.62
  5. Step 5: Solve for x
    x = 92,803,270,453.62/361,010.31
  6. Step 6: Final answer
    x = 257,065.43

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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.