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Finding the Fourth Proportional to 598,171.64, 825,753.30 and 368,769.92

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Solution

The fourth proportional to 598,171.64, 825,753.30 and 368,769.92 is: 509,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,171.64 : 825,753.30 = 368,769.92 : x
  2. Step 2: Convert to fraction form
    598,171.64/825,753.30 = 368,769.92/x
  3. Step 3: Cross multiply
    598,171.64x = 825,753.30 × 368,769.92
  4. Step 4: Simplify right side
    598,171.64x = 304,512,978,380.74
  5. Step 5: Solve for x
    x = 304,512,978,380.74/598,171.64
  6. Step 6: Final answer
    x = 509,072.91

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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.