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Finding the Fourth Proportional to 339,375.38, 509,277.64 and 189,713.90

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Solution

The fourth proportional to 339,375.38, 509,277.64 and 189,713.90 is: 284,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,375.38 : 509,277.64 = 189,713.90 : x
  2. Step 2: Convert to fraction form
    339,375.38/509,277.64 = 189,713.90/x
  3. Step 3: Cross multiply
    339,375.38x = 509,277.64 × 189,713.90
  4. Step 4: Simplify right side
    339,375.38x = 96,617,047,267.20
  5. Step 5: Solve for x
    x = 96,617,047,267.20/339,375.38
  6. Step 6: Final answer
    x = 284,690.80

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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.