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Finding the Fourth Proportional to 552,891.40, 827,781.90 and 496,904.20

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Solution

The fourth proportional to 552,891.40, 827,781.90 and 496,904.20 is: 743,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,891.40 : 827,781.90 = 496,904.20 : x
  2. Step 2: Convert to fraction form
    552,891.40/827,781.90 = 496,904.20/x
  3. Step 3: Cross multiply
    552,891.40x = 827,781.90 × 496,904.20
  4. Step 4: Simplify right side
    552,891.40x = 411,328,302,793.98
  5. Step 5: Solve for x
    x = 411,328,302,793.98/552,891.40
  6. Step 6: Final answer
    x = 743,958.58

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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.