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Finding the Fourth Proportional to 539,551.46, 809,250.44 and 219,842.84

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Solution

The fourth proportional to 539,551.46, 809,250.44 and 219,842.84 is: 329,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,551.46 : 809,250.44 = 219,842.84 : x
  2. Step 2: Convert to fraction form
    539,551.46/809,250.44 = 219,842.84/x
  3. Step 3: Cross multiply
    539,551.46x = 809,250.44 × 219,842.84
  4. Step 4: Simplify right side
    539,551.46x = 177,907,909,855.38
  5. Step 5: Solve for x
    x = 177,907,909,855.38/539,551.46
  6. Step 6: Final answer
    x = 329,732.98

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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.