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Finding the Fourth Proportional to 550,647.45, 826,272.23 and 213,701.49

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Solution

The fourth proportional to 550,647.45, 826,272.23 and 213,701.49 is: 320,669.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,647.45 : 826,272.23 = 213,701.49 : x
  2. Step 2: Convert to fraction form
    550,647.45/826,272.23 = 213,701.49/x
  3. Step 3: Cross multiply
    550,647.45x = 826,272.23 × 213,701.49
  4. Step 4: Simplify right side
    550,647.45x = 176,575,605,628.12
  5. Step 5: Solve for x
    x = 176,575,605,628.12/550,647.45
  6. Step 6: Final answer
    x = 320,669.07

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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.