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Finding the Fourth Proportional to 550,014.11, 825,021.84 and 150,658.34

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Solution

The fourth proportional to 550,014.11, 825,021.84 and 150,658.34 is: 225,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,014.11 : 825,021.84 = 150,658.34 : x
  2. Step 2: Convert to fraction form
    550,014.11/825,021.84 = 150,658.34/x
  3. Step 3: Cross multiply
    550,014.11x = 825,021.84 × 150,658.34
  4. Step 4: Simplify right side
    550,014.11x = 124,296,420,878.15
  5. Step 5: Solve for x
    x = 124,296,420,878.15/550,014.11
  6. Step 6: Final answer
    x = 225,987.69

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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.