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Finding the Fourth Proportional to 364,992.46, 503,679.30 and 203,842.78

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Solution

The fourth proportional to 364,992.46, 503,679.30 and 203,842.78 is: 281,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,992.46 : 503,679.30 = 203,842.78 : x
  2. Step 2: Convert to fraction form
    364,992.46/503,679.30 = 203,842.78/x
  3. Step 3: Cross multiply
    364,992.46x = 503,679.30 × 203,842.78
  4. Step 4: Simplify right side
    364,992.46x = 102,671,388,740.45
  5. Step 5: Solve for x
    x = 102,671,388,740.45/364,992.46
  6. Step 6: Final answer
    x = 281,297.29

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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.