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Finding the Fourth Proportional to 339,372.37, 509,273.14 and 189,710.90

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Solution

The fourth proportional to 339,372.37, 509,273.14 and 189,710.90 is: 284,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,372.37 : 509,273.14 = 189,710.90 : x
  2. Step 2: Convert to fraction form
    339,372.37/509,273.14 = 189,710.90/x
  3. Step 3: Cross multiply
    339,372.37x = 509,273.14 × 189,710.90
  4. Step 4: Simplify right side
    339,372.37x = 96,614,665,735.23
  5. Step 5: Solve for x
    x = 96,614,665,735.23/339,372.37
  6. Step 6: Final answer
    x = 284,686.30

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1.5x scale

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.