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Finding the Fourth Proportional to 397,094.62, 595,648.10 and 127,273.50

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Solution

The fourth proportional to 397,094.62, 595,648.10 and 127,273.50 is: 190,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,094.62 : 595,648.10 = 127,273.50 : x
  2. Step 2: Convert to fraction form
    397,094.62/595,648.10 = 127,273.50/x
  3. Step 3: Cross multiply
    397,094.62x = 595,648.10 × 127,273.50
  4. Step 4: Simplify right side
    397,094.62x = 75,810,218,455.35
  5. Step 5: Solve for x
    x = 75,810,218,455.35/397,094.62
  6. Step 6: Final answer
    x = 190,912.23

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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.