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Finding the Fourth Proportional to 336,542.80, 504,814.20 and 123,310.30

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Solution

The fourth proportional to 336,542.80, 504,814.20 and 123,310.30 is: 184,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,542.80 : 504,814.20 = 123,310.30 : x
  2. Step 2: Convert to fraction form
    336,542.80/504,814.20 = 123,310.30/x
  3. Step 3: Cross multiply
    336,542.80x = 504,814.20 × 123,310.30
  4. Step 4: Simplify right side
    336,542.80x = 62,248,790,446.26
  5. Step 5: Solve for x
    x = 62,248,790,446.26/336,542.80
  6. Step 6: Final answer
    x = 184,965.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.