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Finding the Fourth Proportional to 377,685.91, 566,632.67 and 111,446.43

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Solution

The fourth proportional to 377,685.91, 566,632.67 and 111,446.43 is: 167,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,685.91 : 566,632.67 = 111,446.43 : x
  2. Step 2: Convert to fraction form
    377,685.91/566,632.67 = 111,446.43/x
  3. Step 3: Cross multiply
    377,685.91x = 566,632.67 × 111,446.43
  4. Step 4: Simplify right side
    377,685.91x = 63,149,188,698.07
  5. Step 5: Solve for x
    x = 63,149,188,698.07/377,685.91
  6. Step 6: Final answer
    x = 167,200.28

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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.