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Finding the Fourth Proportional to 451,507.15, 622,992.02 and 267,711.67

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Solution

The fourth proportional to 451,507.15, 622,992.02 and 267,711.67 is: 369,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,507.15 : 622,992.02 = 267,711.67 : x
  2. Step 2: Convert to fraction form
    451,507.15/622,992.02 = 267,711.67/x
  3. Step 3: Cross multiply
    451,507.15x = 622,992.02 × 267,711.67
  4. Step 4: Simplify right side
    451,507.15x = 166,782,234,070.87
  5. Step 5: Solve for x
    x = 166,782,234,070.87/451,507.15
  6. Step 6: Final answer
    x = 369,390.02

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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.