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Finding the Fourth Proportional to 455,063.52, 682,344.72 and 174,609.12

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Solution

The fourth proportional to 455,063.52, 682,344.72 and 174,609.12 is: 261,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,063.52 : 682,344.72 = 174,609.12 : x
  2. Step 2: Convert to fraction form
    455,063.52/682,344.72 = 174,609.12/x
  3. Step 3: Cross multiply
    455,063.52x = 682,344.72 × 174,609.12
  4. Step 4: Simplify right side
    455,063.52x = 119,143,611,095.85
  5. Step 5: Solve for x
    x = 119,143,611,095.85/455,063.52
  6. Step 6: Final answer
    x = 261,817.54

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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.