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Finding the Fourth Proportional to 479,044.73, 661,184.32 and 275,208.04

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Solution

The fourth proportional to 479,044.73, 661,184.32 and 275,208.04 is: 379,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,044.73 : 661,184.32 = 275,208.04 : x
  2. Step 2: Convert to fraction form
    479,044.73/661,184.32 = 275,208.04/x
  3. Step 3: Cross multiply
    479,044.73x = 661,184.32 × 275,208.04
  4. Step 4: Simplify right side
    479,044.73x = 181,963,240,785.93
  5. Step 5: Solve for x
    x = 181,963,240,785.93/479,044.73
  6. Step 6: Final answer
    x = 379,846.03

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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.