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Finding the Fourth Proportional to 484,333.67, 726,493.20 and 217,906.04

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Solution

The fourth proportional to 484,333.67, 726,493.20 and 217,906.04 is: 326,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,333.67 : 726,493.20 = 217,906.04 : x
  2. Step 2: Convert to fraction form
    484,333.67/726,493.20 = 217,906.04/x
  3. Step 3: Cross multiply
    484,333.67x = 726,493.20 × 217,906.04
  4. Step 4: Simplify right side
    484,333.67x = 158,307,256,298.93
  5. Step 5: Solve for x
    x = 158,307,256,298.93/484,333.67
  6. Step 6: Final answer
    x = 326,855.77

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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.