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Finding the Fourth Proportional to 332,511.38, 458,866.22 and 189,271.38

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Solution

The fourth proportional to 332,511.38, 458,866.22 and 189,271.38 is: 261,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,511.38 : 458,866.22 = 189,271.38 : x
  2. Step 2: Convert to fraction form
    332,511.38/458,866.22 = 189,271.38/x
  3. Step 3: Cross multiply
    332,511.38x = 458,866.22 × 189,271.38
  4. Step 4: Simplify right side
    332,511.38x = 86,850,243,469.18
  5. Step 5: Solve for x
    x = 86,850,243,469.18/332,511.38
  6. Step 6: Final answer
    x = 261,194.80

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1.5x scale

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.