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Finding the Fourth Proportional to 550,365.42, 827,122.79 and 270,079.50

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Solution

The fourth proportional to 550,365.42, 827,122.79 and 270,079.50 is: 405,891.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,365.42 : 827,122.79 = 270,079.50 : x
  2. Step 2: Convert to fraction form
    550,365.42/827,122.79 = 270,079.50/x
  3. Step 3: Cross multiply
    550,365.42x = 827,122.79 × 270,079.50
  4. Step 4: Simplify right side
    550,365.42x = 223,388,908,211.41
  5. Step 5: Solve for x
    x = 223,388,908,211.41/550,365.42
  6. Step 6: Final answer
    x = 405,891.98

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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.