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Finding the Fourth Proportional to 550,049.36, 825,074.80 and 150,693.60

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Solution

The fourth proportional to 550,049.36, 825,074.80 and 150,693.60 is: 226,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,049.36 : 825,074.80 = 150,693.60 : x
  2. Step 2: Convert to fraction form
    550,049.36/825,074.80 = 150,693.60/x
  3. Step 3: Cross multiply
    550,049.36x = 825,074.80 × 150,693.60
  4. Step 4: Simplify right side
    550,049.36x = 124,333,491,881.28
  5. Step 5: Solve for x
    x = 124,333,491,881.28/550,049.36
  6. Step 6: Final answer
    x = 226,040.61

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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.