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Finding the Fourth Proportional to 603,665.46, 832,876.66 and 361,859.80

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Solution

The fourth proportional to 603,665.46, 832,876.66 and 361,859.80 is: 499,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,665.46 : 832,876.66 = 361,859.80 : x
  2. Step 2: Convert to fraction form
    603,665.46/832,876.66 = 361,859.80/x
  3. Step 3: Cross multiply
    603,665.46x = 832,876.66 × 361,859.80
  4. Step 4: Simplify right side
    603,665.46x = 301,384,581,612.27
  5. Step 5: Solve for x
    x = 301,384,581,612.27/603,665.46
  6. Step 6: Final answer
    x = 499,257.62

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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.