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Finding the Fourth Proportional to 550,967.70, 826,630.17 and 270,288.12

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Solution

The fourth proportional to 550,967.70, 826,630.17 and 270,288.12 is: 405,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,967.70 : 826,630.17 = 270,288.12 : x
  2. Step 2: Convert to fraction form
    550,967.70/826,630.17 = 270,288.12/x
  3. Step 3: Cross multiply
    550,967.70x = 826,630.17 × 270,288.12
  4. Step 4: Simplify right side
    550,967.70x = 223,428,314,584.58
  5. Step 5: Solve for x
    x = 223,428,314,584.58/550,967.70
  6. Step 6: Final answer
    x = 405,519.81

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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.