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Finding the Fourth Proportional to 365,102.90, 503,839.58 and 203,956.52

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Solution

The fourth proportional to 365,102.90, 503,839.58 and 203,956.52 is: 281,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,102.90 : 503,839.58 = 203,956.52 : x
  2. Step 2: Convert to fraction form
    365,102.90/503,839.58 = 203,956.52/x
  3. Step 3: Cross multiply
    365,102.90x = 503,839.58 × 203,956.52
  4. Step 4: Simplify right side
    365,102.90x = 102,761,367,375.06
  5. Step 5: Solve for x
    x = 102,761,367,375.06/365,102.90
  6. Step 6: Final answer
    x = 281,458.64

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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.