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Finding the Fourth Proportional to 530,757.01, 796,369.90 and 411,847.09

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Solution

The fourth proportional to 530,757.01, 796,369.90 and 411,847.09 is: 617,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,757.01 : 796,369.90 = 411,847.09 : x
  2. Step 2: Convert to fraction form
    530,757.01/796,369.90 = 411,847.09/x
  3. Step 3: Cross multiply
    530,757.01x = 796,369.90 × 411,847.09
  4. Step 4: Simplify right side
    530,757.01x = 327,982,625,348.53
  5. Step 5: Solve for x
    x = 327,982,625,348.53/530,757.01
  6. Step 6: Final answer
    x = 617,952.51

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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.