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Finding the Fourth Proportional to 300,804.28, 451,071.51 and 179,282.20

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Solution

The fourth proportional to 300,804.28, 451,071.51 and 179,282.20 is: 268,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,804.28 : 451,071.51 = 179,282.20 : x
  2. Step 2: Convert to fraction form
    300,804.28/451,071.51 = 179,282.20/x
  3. Step 3: Cross multiply
    300,804.28x = 451,071.51 × 179,282.20
  4. Step 4: Simplify right side
    300,804.28x = 80,869,092,670.12
  5. Step 5: Solve for x
    x = 80,869,092,670.12/300,804.28
  6. Step 6: Final answer
    x = 268,842.89

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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.