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Finding the Fourth Proportional to 499,791.36, 749,687.04 and 144,805.62

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Solution

The fourth proportional to 499,791.36, 749,687.04 and 144,805.62 is: 217,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,791.36 : 749,687.04 = 144,805.62 : x
  2. Step 2: Convert to fraction form
    499,791.36/749,687.04 = 144,805.62/x
  3. Step 3: Cross multiply
    499,791.36x = 749,687.04 × 144,805.62
  4. Step 4: Simplify right side
    499,791.36x = 108,558,896,633.17
  5. Step 5: Solve for x
    x = 108,558,896,633.17/499,791.36
  6. Step 6: Final answer
    x = 217,208.43

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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.