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Finding the Fourth Proportional to 437,169.01, 654,737.21 and 422,015.83

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Solution

The fourth proportional to 437,169.01, 654,737.21 and 422,015.83 is: 632,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,169.01 : 654,737.21 = 422,015.83 : x
  2. Step 2: Convert to fraction form
    437,169.01/654,737.21 = 422,015.83/x
  3. Step 3: Cross multiply
    437,169.01x = 654,737.21 × 422,015.83
  4. Step 4: Simplify right side
    437,169.01x = 276,309,467,110.03
  5. Step 5: Solve for x
    x = 276,309,467,110.03/437,169.01
  6. Step 6: Final answer
    x = 632,042.67

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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.