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Finding the Fourth Proportional to 264,632.52, 396,949.09 and 72,508.57

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Solution

The fourth proportional to 264,632.52, 396,949.09 and 72,508.57 is: 108,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,632.52 : 396,949.09 = 72,508.57 : x
  2. Step 2: Convert to fraction form
    264,632.52/396,949.09 = 72,508.57/x
  3. Step 3: Cross multiply
    264,632.52x = 396,949.09 × 72,508.57
  4. Step 4: Simplify right side
    264,632.52x = 28,782,210,878.70
  5. Step 5: Solve for x
    x = 28,782,210,878.70/264,632.52
  6. Step 6: Final answer
    x = 108,762.94

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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.