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Finding the Fourth Proportional to 321,884.74, 482,827.08 and 171,669.94

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Solution

The fourth proportional to 321,884.74, 482,827.08 and 171,669.94 is: 257,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,884.74 : 482,827.08 = 171,669.94 : x
  2. Step 2: Convert to fraction form
    321,884.74/482,827.08 = 171,669.94/x
  3. Step 3: Cross multiply
    321,884.74x = 482,827.08 × 171,669.94
  4. Step 4: Simplify right side
    321,884.74x = 82,886,895,853.98
  5. Step 5: Solve for x
    x = 82,886,895,853.98/321,884.74
  6. Step 6: Final answer
    x = 257,504.89

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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.