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Finding the Fourth Proportional to 365,074.62, 503,801.94 and 203,929.98

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Solution

The fourth proportional to 365,074.62, 503,801.94 and 203,929.98 is: 281,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,074.62 : 503,801.94 = 203,929.98 : x
  2. Step 2: Convert to fraction form
    365,074.62/503,801.94 = 203,929.98/x
  3. Step 3: Cross multiply
    365,074.62x = 503,801.94 × 203,929.98
  4. Step 4: Simplify right side
    365,074.62x = 102,740,319,548.16
  5. Step 5: Solve for x
    x = 102,740,319,548.16/365,074.62
  6. Step 6: Final answer
    x = 281,422.79

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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.