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Finding the Fourth Proportional to 264,558, 396,894.48 and 87,083.04

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Solution

The fourth proportional to 264,558, 396,894.48 and 87,083.04 is: 130,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,558 : 396,894.48 = 87,083.04 : x
  2. Step 2: Convert to fraction form
    264,558/396,894.48 = 87,083.04/x
  3. Step 3: Cross multiply
    264,558x = 396,894.48 × 87,083.04
  4. Step 4: Simplify right side
    264,558x = 34,562,777,877.62
  5. Step 5: Solve for x
    x = 34,562,777,877.62/264,558
  6. Step 6: Final answer
    x = 130,643.48

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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.