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Finding the Fourth Proportional to 672,323.52, 927,806.60 and 366,399.97

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Solution

The fourth proportional to 672,323.52, 927,806.60 and 366,399.97 is: 505,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,323.52 : 927,806.60 = 366,399.97 : x
  2. Step 2: Convert to fraction form
    672,323.52/927,806.60 = 366,399.97/x
  3. Step 3: Cross multiply
    672,323.52x = 927,806.60 × 366,399.97
  4. Step 4: Simplify right side
    672,323.52x = 339,948,310,405.80
  5. Step 5: Solve for x
    x = 339,948,310,405.80/672,323.52
  6. Step 6: Final answer
    x = 505,632.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.