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Finding the Fourth Proportional to 321,578.00, 482,656.09 and 171,946.19

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Solution

The fourth proportional to 321,578.00, 482,656.09 and 171,946.19 is: 258,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,578.00 : 482,656.09 = 171,946.19 : x
  2. Step 2: Convert to fraction form
    321,578.00/482,656.09 = 171,946.19/x
  3. Step 3: Cross multiply
    321,578.00x = 482,656.09 × 171,946.19
  4. Step 4: Simplify right side
    321,578.00x = 82,990,877,338.57
  5. Step 5: Solve for x
    x = 82,990,877,338.57/321,578.00
  6. Step 6: Final answer
    x = 258,073.87

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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.