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Finding the Fourth Proportional to 276,481.65, 381,606.91 and 180,932.99

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Solution

The fourth proportional to 276,481.65, 381,606.91 and 180,932.99 is: 249,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,481.65 : 381,606.91 = 180,932.99 : x
  2. Step 2: Convert to fraction form
    276,481.65/381,606.91 = 180,932.99/x
  3. Step 3: Cross multiply
    276,481.65x = 381,606.91 × 180,932.99
  4. Step 4: Simplify right side
    276,481.65x = 69,045,276,418.26
  5. Step 5: Solve for x
    x = 69,045,276,418.26/276,481.65
  6. Step 6: Final answer
    x = 249,728.24

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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.