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Finding the Fourth Proportional to 471,039.12, 650,020.08 and 267,108.60

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Solution

The fourth proportional to 471,039.12, 650,020.08 and 267,108.60 is: 368,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,039.12 : 650,020.08 = 267,108.60 : x
  2. Step 2: Convert to fraction form
    471,039.12/650,020.08 = 267,108.60/x
  3. Step 3: Cross multiply
    471,039.12x = 650,020.08 × 267,108.60
  4. Step 4: Simplify right side
    471,039.12x = 173,625,953,540.69
  5. Step 5: Solve for x
    x = 173,625,953,540.69/471,039.12
  6. Step 6: Final answer
    x = 368,601.98

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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.