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Finding the Fourth Proportional to 323,614.62, 485,492.09 and 123,935.04

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Solution

The fourth proportional to 323,614.62, 485,492.09 and 123,935.04 is: 185,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,614.62 : 485,492.09 = 123,935.04 : x
  2. Step 2: Convert to fraction form
    323,614.62/485,492.09 = 123,935.04/x
  3. Step 3: Cross multiply
    323,614.62x = 485,492.09 × 123,935.04
  4. Step 4: Simplify right side
    323,614.62x = 60,169,480,974.16
  5. Step 5: Solve for x
    x = 60,169,480,974.16/323,614.62
  6. Step 6: Final answer
    x = 185,929.43

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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.