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Finding the Fourth Proportional to 375,769.66, 518,561.04 and 206,003.92

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Solution

The fourth proportional to 375,769.66, 518,561.04 and 206,003.92 is: 284,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,769.66 : 518,561.04 = 206,003.92 : x
  2. Step 2: Convert to fraction form
    375,769.66/518,561.04 = 206,003.92/x
  3. Step 3: Cross multiply
    375,769.66x = 518,561.04 × 206,003.92
  4. Step 4: Simplify right side
    375,769.66x = 106,825,606,999.28
  5. Step 5: Solve for x
    x = 106,825,606,999.28/375,769.66
  6. Step 6: Final answer
    x = 284,284.81

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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.