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Finding the Fourth Proportional to 367,300.83, 551,246.49 and 189,859.80

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Solution

The fourth proportional to 367,300.83, 551,246.49 and 189,859.80 is: 284,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,300.83 : 551,246.49 = 189,859.80 : x
  2. Step 2: Convert to fraction form
    367,300.83/551,246.49 = 189,859.80/x
  3. Step 3: Cross multiply
    367,300.83x = 551,246.49 × 189,859.80
  4. Step 4: Simplify right side
    367,300.83x = 104,659,548,342.10
  5. Step 5: Solve for x
    x = 104,659,548,342.10/367,300.83
  6. Step 6: Final answer
    x = 284,942.31

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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.