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Finding the Fourth Proportional to 264,566, 396,906.48 and 87,091.04

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Solution

The fourth proportional to 264,566, 396,906.48 and 87,091.04 is: 130,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,566 : 396,906.48 = 87,091.04 : x
  2. Step 2: Convert to fraction form
    264,566/396,906.48 = 87,091.04/x
  3. Step 3: Cross multiply
    264,566x = 396,906.48 × 87,091.04
  4. Step 4: Simplify right side
    264,566x = 34,566,998,125.94
  5. Step 5: Solve for x
    x = 34,566,998,125.94/264,566
  6. Step 6: Final answer
    x = 130,655.48

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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.