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Finding the Fourth Proportional to 455,089.52, 682,722.16 and 174,584.88

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Solution

The fourth proportional to 455,089.52, 682,722.16 and 174,584.88 is: 261,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,089.52 : 682,722.16 = 174,584.88 : x
  2. Step 2: Convert to fraction form
    455,089.52/682,722.16 = 174,584.88/x
  3. Step 3: Cross multiply
    455,089.52x = 682,722.16 × 174,584.88
  4. Step 4: Simplify right side
    455,089.52x = 119,192,966,376.94
  5. Step 5: Solve for x
    x = 119,192,966,376.94/455,089.52
  6. Step 6: Final answer
    x = 261,911.03

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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.