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Finding the Fourth Proportional to 425,796.75, 587,608.02 and 275,156.19

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Solution

The fourth proportional to 425,796.75, 587,608.02 and 275,156.19 is: 379,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,796.75 : 587,608.02 = 275,156.19 : x
  2. Step 2: Convert to fraction form
    425,796.75/587,608.02 = 275,156.19/x
  3. Step 3: Cross multiply
    425,796.75x = 587,608.02 × 275,156.19
  4. Step 4: Simplify right side
    425,796.75x = 161,683,983,996.64
  5. Step 5: Solve for x
    x = 161,683,983,996.64/425,796.75
  6. Step 6: Final answer
    x = 379,721.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.