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Finding the Fourth Proportional to 629,583.89, 868,800.47 and 343,097.82

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Solution

The fourth proportional to 629,583.89, 868,800.47 and 343,097.82 is: 473,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,583.89 : 868,800.47 = 343,097.82 : x
  2. Step 2: Convert to fraction form
    629,583.89/868,800.47 = 343,097.82/x
  3. Step 3: Cross multiply
    629,583.89x = 868,800.47 × 343,097.82
  4. Step 4: Simplify right side
    629,583.89x = 298,083,545,556.49
  5. Step 5: Solve for x
    x = 298,083,545,556.49/629,583.89
  6. Step 6: Final answer
    x = 473,461.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.