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Finding the Fourth Proportional to 467,015.01, 644,496.53 and 276,191.97

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Solution

The fourth proportional to 467,015.01, 644,496.53 and 276,191.97 is: 381,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,015.01 : 644,496.53 = 276,191.97 : x
  2. Step 2: Convert to fraction form
    467,015.01/644,496.53 = 276,191.97/x
  3. Step 3: Cross multiply
    467,015.01x = 644,496.53 × 276,191.97
  4. Step 4: Simplify right side
    467,015.01x = 178,004,764,897.90
  5. Step 5: Solve for x
    x = 178,004,764,897.90/467,015.01
  6. Step 6: Final answer
    x = 381,154.27

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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.