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Finding the Fourth Proportional to 500,604.06, 751,004.10 and 220,120.50

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Solution

The fourth proportional to 500,604.06, 751,004.10 and 220,120.50 is: 330,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,604.06 : 751,004.10 = 220,120.50 : x
  2. Step 2: Convert to fraction form
    500,604.06/751,004.10 = 220,120.50/x
  3. Step 3: Cross multiply
    500,604.06x = 751,004.10 × 220,120.50
  4. Step 4: Simplify right side
    500,604.06x = 165,311,397,994.05
  5. Step 5: Solve for x
    x = 165,311,397,994.05/500,604.06
  6. Step 6: Final answer
    x = 330,223.85

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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.