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Finding the Fourth Proportional to 276,796.30, 382,007.11 and 169,437.28

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Solution

The fourth proportional to 276,796.30, 382,007.11 and 169,437.28 is: 233,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,796.30 : 382,007.11 = 169,437.28 : x
  2. Step 2: Convert to fraction form
    276,796.30/382,007.11 = 169,437.28/x
  3. Step 3: Cross multiply
    276,796.30x = 382,007.11 × 169,437.28
  4. Step 4: Simplify right side
    276,796.30x = 64,726,245,659.06
  5. Step 5: Solve for x
    x = 64,726,245,659.06/276,796.30
  6. Step 6: Final answer
    x = 233,840.72

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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.