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Finding the Fourth Proportional to 339,983.82, 510,086.68 and 162,504.66

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Solution

The fourth proportional to 339,983.82, 510,086.68 and 162,504.66 is: 243,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,983.82 : 510,086.68 = 162,504.66 : x
  2. Step 2: Convert to fraction form
    339,983.82/510,086.68 = 162,504.66/x
  3. Step 3: Cross multiply
    339,983.82x = 510,086.68 × 162,504.66
  4. Step 4: Simplify right side
    339,983.82x = 82,891,462,503.93
  5. Step 5: Solve for x
    x = 82,891,462,503.93/339,983.82
  6. Step 6: Final answer
    x = 243,810.02

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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.