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Finding the Fourth Proportional to 550,495.21, 825,544.66 and 190,568.29

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Solution

The fourth proportional to 550,495.21, 825,544.66 and 190,568.29 is: 285,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,495.21 : 825,544.66 = 190,568.29 : x
  2. Step 2: Convert to fraction form
    550,495.21/825,544.66 = 190,568.29/x
  3. Step 3: Cross multiply
    550,495.21x = 825,544.66 × 190,568.29
  4. Step 4: Simplify right side
    550,495.21x = 157,322,634,174.83
  5. Step 5: Solve for x
    x = 157,322,634,174.83/550,495.21
  6. Step 6: Final answer
    x = 285,783.84

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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.