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Finding the Fourth Proportional to 550,648.45, 826,273.73 and 213,702.49

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Solution

The fourth proportional to 550,648.45, 826,273.73 and 213,702.49 is: 320,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,648.45 : 826,273.73 = 213,702.49 : x
  2. Step 2: Convert to fraction form
    550,648.45/826,273.73 = 213,702.49/x
  3. Step 3: Cross multiply
    550,648.45x = 826,273.73 × 213,702.49
  4. Step 4: Simplify right side
    550,648.45x = 176,576,753,522.59
  5. Step 5: Solve for x
    x = 176,576,753,522.59/550,648.45
  6. Step 6: Final answer
    x = 320,670.57

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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.