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Finding the Fourth Proportional to 552,302.20, 827,286.90 and 493,204.60

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Solution

The fourth proportional to 552,302.20, 827,286.90 and 493,204.60 is: 738,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,302.20 : 827,286.90 = 493,204.60 : x
  2. Step 2: Convert to fraction form
    552,302.20/827,286.90 = 493,204.60/x
  3. Step 3: Cross multiply
    552,302.20x = 827,286.90 × 493,204.60
  4. Step 4: Simplify right side
    552,302.20x = 408,021,704,599.74
  5. Step 5: Solve for x
    x = 408,021,704,599.74/552,302.20
  6. Step 6: Final answer
    x = 738,765.31

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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.