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Finding the Fourth Proportional to 307,626.57, 424,524.16 and 171,652.27

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Solution

The fourth proportional to 307,626.57, 424,524.16 and 171,652.27 is: 236,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,626.57 : 424,524.16 = 171,652.27 : x
  2. Step 2: Convert to fraction form
    307,626.57/424,524.16 = 171,652.27/x
  3. Step 3: Cross multiply
    307,626.57x = 424,524.16 × 171,652.27
  4. Step 4: Simplify right side
    307,626.57x = 72,870,535,733.84
  5. Step 5: Solve for x
    x = 72,870,535,733.84/307,626.57
  6. Step 6: Final answer
    x = 236,879.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.