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Finding the Fourth Proportional to 519,499.40, 779,054.70 and 182,409.80

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Solution

The fourth proportional to 519,499.40, 779,054.70 and 182,409.80 is: 273,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,499.40 : 779,054.70 = 182,409.80 : x
  2. Step 2: Convert to fraction form
    519,499.40/779,054.70 = 182,409.80/x
  3. Step 3: Cross multiply
    519,499.40x = 779,054.70 × 182,409.80
  4. Step 4: Simplify right side
    519,499.40x = 142,107,212,016.06
  5. Step 5: Solve for x
    x = 142,107,212,016.06/519,499.40
  6. Step 6: Final answer
    x = 273,546.44

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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.