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Finding the Fourth Proportional to 437,481.60, 654,910.20 and 411,529.20

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Solution

The fourth proportional to 437,481.60, 654,910.20 and 411,529.20 is: 616,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,481.60 : 654,910.20 = 411,529.20 : x
  2. Step 2: Convert to fraction form
    437,481.60/654,910.20 = 411,529.20/x
  3. Step 3: Cross multiply
    437,481.60x = 654,910.20 × 411,529.20
  4. Step 4: Simplify right side
    437,481.60x = 269,514,670,677.84
  5. Step 5: Solve for x
    x = 269,514,670,677.84/437,481.60
  6. Step 6: Final answer
    x = 616,059.44

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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.