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Finding the Fourth Proportional to 451,338.28, 676,990.96 and 181,549.96

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Solution

The fourth proportional to 451,338.28, 676,990.96 and 181,549.96 is: 272,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,338.28 : 676,990.96 = 181,549.96 : x
  2. Step 2: Convert to fraction form
    451,338.28/676,990.96 = 181,549.96/x
  3. Step 3: Cross multiply
    451,338.28x = 676,990.96 × 181,549.96
  4. Step 4: Simplify right side
    451,338.28x = 122,907,681,708.36
  5. Step 5: Solve for x
    x = 122,907,681,708.36/451,338.28
  6. Step 6: Final answer
    x = 272,318.32

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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.