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Finding the Fourth Proportional to 437,671.28, 603,986.48 and 236,467.28

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Solution

The fourth proportional to 437,671.28, 603,986.48 and 236,467.28 is: 326,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,671.28 : 603,986.48 = 236,467.28 : x
  2. Step 2: Convert to fraction form
    437,671.28/603,986.48 = 236,467.28/x
  3. Step 3: Cross multiply
    437,671.28x = 603,986.48 × 236,467.28
  4. Step 4: Simplify right side
    437,671.28x = 142,823,040,082.37
  5. Step 5: Solve for x
    x = 142,823,040,082.37/437,671.28
  6. Step 6: Final answer
    x = 326,324.91

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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.