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Finding the Fourth Proportional to 276,700.67, 414,112.78 and 170,151.56

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Solution

The fourth proportional to 276,700.67, 414,112.78 and 170,151.56 is: 254,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,700.67 : 414,112.78 = 170,151.56 : x
  2. Step 2: Convert to fraction form
    276,700.67/414,112.78 = 170,151.56/x
  3. Step 3: Cross multiply
    276,700.67x = 414,112.78 × 170,151.56
  4. Step 4: Simplify right side
    276,700.67x = 70,461,935,227.99
  5. Step 5: Solve for x
    x = 70,461,935,227.99/276,700.67
  6. Step 6: Final answer
    x = 254,650.40

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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.