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Finding the Fourth Proportional to 276,596.63, 415,245.13 and 169,718.03

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Solution

The fourth proportional to 276,596.63, 415,245.13 and 169,718.03 is: 254,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,596.63 : 415,245.13 = 169,718.03 : x
  2. Step 2: Convert to fraction form
    276,596.63/415,245.13 = 169,718.03/x
  3. Step 3: Cross multiply
    276,596.63x = 415,245.13 × 169,718.03
  4. Step 4: Simplify right side
    276,596.63x = 70,474,583,354.47
  5. Step 5: Solve for x
    x = 70,474,583,354.47/276,596.63
  6. Step 6: Final answer
    x = 254,791.91

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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.