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Finding the Fourth Proportional to 339,392.43, 509,089.86 and 114,754.73

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Solution

The fourth proportional to 339,392.43, 509,089.86 and 114,754.73 is: 172,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,392.43 : 509,089.86 = 114,754.73 : x
  2. Step 2: Convert to fraction form
    339,392.43/509,089.86 = 114,754.73/x
  3. Step 3: Cross multiply
    339,392.43x = 509,089.86 × 114,754.73
  4. Step 4: Simplify right side
    339,392.43x = 58,420,466,884.59
  5. Step 5: Solve for x
    x = 58,420,466,884.59/339,392.43
  6. Step 6: Final answer
    x = 172,132.50

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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.