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Finding the Fourth Proportional to 364,881.80, 503,532.24 and 203,739.68

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Solution

The fourth proportional to 364,881.80, 503,532.24 and 203,739.68 is: 281,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,881.80 : 503,532.24 = 203,739.68 : x
  2. Step 2: Convert to fraction form
    364,881.80/503,532.24 = 203,739.68/x
  3. Step 3: Cross multiply
    364,881.80x = 503,532.24 × 203,739.68
  4. Step 4: Simplify right side
    364,881.80x = 102,589,497,447.28
  5. Step 5: Solve for x
    x = 102,589,497,447.28/364,881.80
  6. Step 6: Final answer
    x = 281,158.17

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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.