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Finding the Fourth Proportional to 337,306.98, 505,960.46 and 126,992.10

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Solution

The fourth proportional to 337,306.98, 505,960.46 and 126,992.10 is: 190,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,306.98 : 505,960.46 = 126,992.10 : x
  2. Step 2: Convert to fraction form
    337,306.98/505,960.46 = 126,992.10/x
  3. Step 3: Cross multiply
    337,306.98x = 505,960.46 × 126,992.10
  4. Step 4: Simplify right side
    337,306.98x = 64,252,981,332.37
  5. Step 5: Solve for x
    x = 64,252,981,332.37/337,306.98
  6. Step 6: Final answer
    x = 190,488.15

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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.