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Finding the Fourth Proportional to 275,439.52, 413,153.76 and 181,264.56

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Solution

The fourth proportional to 275,439.52, 413,153.76 and 181,264.56 is: 271,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,439.52 : 413,153.76 = 181,264.56 : x
  2. Step 2: Convert to fraction form
    275,439.52/413,153.76 = 181,264.56/x
  3. Step 3: Cross multiply
    275,439.52x = 413,153.76 × 181,264.56
  4. Step 4: Simplify right side
    275,439.52x = 74,890,134,518.75
  5. Step 5: Solve for x
    x = 74,890,134,518.75/275,439.52
  6. Step 6: Final answer
    x = 271,893.21

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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.