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Finding the Fourth Proportional to 275,763.10, 413,644.65 and 170,787.10

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Solution

The fourth proportional to 275,763.10, 413,644.65 and 170,787.10 is: 256,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,763.10 : 413,644.65 = 170,787.10 : x
  2. Step 2: Convert to fraction form
    275,763.10/413,644.65 = 170,787.10/x
  3. Step 3: Cross multiply
    275,763.10x = 413,644.65 × 170,787.10
  4. Step 4: Simplify right side
    275,763.10x = 70,645,170,204.02
  5. Step 5: Solve for x
    x = 70,645,170,204.02/275,763.10
  6. Step 6: Final answer
    x = 256,180.65

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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.