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Finding the Fourth Proportional to 378,527.94, 567,910.36 and 112,289.86

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Solution

The fourth proportional to 378,527.94, 567,910.36 and 112,289.86 is: 168,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,527.94 : 567,910.36 = 112,289.86 : x
  2. Step 2: Convert to fraction form
    378,527.94/567,910.36 = 112,289.86/x
  3. Step 3: Cross multiply
    378,527.94x = 567,910.36 × 112,289.86
  4. Step 4: Simplify right side
    378,527.94x = 63,770,574,816.95
  5. Step 5: Solve for x
    x = 63,770,574,816.95/378,527.94
  6. Step 6: Final answer
    x = 168,469.93

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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.