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Finding the Fourth Proportional to 482,178.83, 665,405.69 and 267,313.37

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Solution

The fourth proportional to 482,178.83, 665,405.69 and 267,313.37 is: 368,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,178.83 : 665,405.69 = 267,313.37 : x
  2. Step 2: Convert to fraction form
    482,178.83/665,405.69 = 267,313.37/x
  3. Step 3: Cross multiply
    482,178.83x = 665,405.69 × 267,313.37
  4. Step 4: Simplify right side
    482,178.83x = 177,871,832,747.48
  5. Step 5: Solve for x
    x = 177,871,832,747.48/482,178.83
  6. Step 6: Final answer
    x = 368,891.84

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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.