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Finding the Fourth Proportional to 541,383.25, 811,618.11 and 341,262.43

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Solution

The fourth proportional to 541,383.25, 811,618.11 and 341,262.43 is: 511,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,383.25 : 811,618.11 = 341,262.43 : x
  2. Step 2: Convert to fraction form
    541,383.25/811,618.11 = 341,262.43/x
  3. Step 3: Cross multiply
    541,383.25x = 811,618.11 × 341,262.43
  4. Step 4: Simplify right side
    541,383.25x = 276,974,768,450.61
  5. Step 5: Solve for x
    x = 276,974,768,450.61/541,383.25
  6. Step 6: Final answer
    x = 511,605.72

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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.