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Finding the Fourth Proportional to 515,524.90, 773,059.00 and 275,580.68

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Solution

The fourth proportional to 515,524.90, 773,059.00 and 275,580.68 is: 413,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,524.90 : 773,059.00 = 275,580.68 : x
  2. Step 2: Convert to fraction form
    515,524.90/773,059.00 = 275,580.68/x
  3. Step 3: Cross multiply
    515,524.90x = 773,059.00 × 275,580.68
  4. Step 4: Simplify right side
    515,524.90x = 213,040,120,345.87
  5. Step 5: Solve for x
    x = 213,040,120,345.87/515,524.90
  6. Step 6: Final answer
    x = 413,248.95

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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.