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Finding the Fourth Proportional to 451,807.54, 677,716.17 and 136,267.18

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Solution

The fourth proportional to 451,807.54, 677,716.17 and 136,267.18 is: 204,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,807.54 : 677,716.17 = 136,267.18 : x
  2. Step 2: Convert to fraction form
    451,807.54/677,716.17 = 136,267.18/x
  3. Step 3: Cross multiply
    451,807.54x = 677,716.17 × 136,267.18
  4. Step 4: Simplify right side
    451,807.54x = 92,350,471,326.30
  5. Step 5: Solve for x
    x = 92,350,471,326.30/451,807.54
  6. Step 6: Final answer
    x = 204,402.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.