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Finding the Fourth Proportional to 550,565.54, 826,149.32 and 213,619.49

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Solution

The fourth proportional to 550,565.54, 826,149.32 and 213,619.49 is: 320,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,565.54 : 826,149.32 = 213,619.49 : x
  2. Step 2: Convert to fraction form
    550,565.54/826,149.32 = 213,619.49/x
  3. Step 3: Cross multiply
    550,565.54x = 826,149.32 × 213,619.49
  4. Step 4: Simplify right side
    550,565.54x = 176,481,595,102.54
  5. Step 5: Solve for x
    x = 176,481,595,102.54/550,565.54
  6. Step 6: Final answer
    x = 320,546.03

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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.