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Finding the Fourth Proportional to 550,922.30, 825,399.30 and 472,190.30

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Solution

The fourth proportional to 550,922.30, 825,399.30 and 472,190.30 is: 707,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,922.30 : 825,399.30 = 472,190.30 : x
  2. Step 2: Convert to fraction form
    550,922.30/825,399.30 = 472,190.30/x
  3. Step 3: Cross multiply
    550,922.30x = 825,399.30 × 472,190.30
  4. Step 4: Simplify right side
    550,922.30x = 389,745,543,086.79
  5. Step 5: Solve for x
    x = 389,745,543,086.79/550,922.30
  6. Step 6: Final answer
    x = 707,441.94

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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.