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Finding the Fourth Proportional to 339,782.11, 510,066.89 and 182,318.11

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Solution

The fourth proportional to 339,782.11, 510,066.89 and 182,318.11 is: 273,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,782.11 : 510,066.89 = 182,318.11 : x
  2. Step 2: Convert to fraction form
    339,782.11/510,066.89 = 182,318.11/x
  3. Step 3: Cross multiply
    339,782.11x = 510,066.89 × 182,318.11
  4. Step 4: Simplify right side
    339,782.11x = 92,994,429,855.31
  5. Step 5: Solve for x
    x = 92,994,429,855.31/339,782.11
  6. Step 6: Final answer
    x = 273,688.43

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Why These Related Problems?

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