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Finding the Fourth Proportional to 364,999.72, 503,694.18 and 203,857.48

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Solution

The fourth proportional to 364,999.72, 503,694.18 and 203,857.48 is: 281,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,999.72 : 503,694.18 = 203,857.48 : x
  2. Step 2: Convert to fraction form
    364,999.72/503,694.18 = 203,857.48/x
  3. Step 3: Cross multiply
    364,999.72x = 503,694.18 × 203,857.48
  4. Step 4: Simplify right side
    364,999.72x = 102,681,826,225.47
  5. Step 5: Solve for x
    x = 102,681,826,225.47/364,999.72
  6. Step 6: Final answer
    x = 281,320.29

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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.