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Finding the Fourth Proportional to 437,671.60, 603,986.22 and 236,467.60

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Solution

The fourth proportional to 437,671.60, 603,986.22 and 236,467.60 is: 326,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,671.60 : 603,986.22 = 236,467.60 : x
  2. Step 2: Convert to fraction form
    437,671.60/603,986.22 = 236,467.60/x
  3. Step 3: Cross multiply
    437,671.60x = 603,986.22 × 236,467.60
  4. Step 4: Simplify right side
    437,671.60x = 142,823,171,876.47
  5. Step 5: Solve for x
    x = 142,823,171,876.47/437,671.60
  6. Step 6: Final answer
    x = 326,324.97

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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.