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Finding the Fourth Proportional to 536,319.85, 804,469.43 and 216,463.27

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Solution

The fourth proportional to 536,319.85, 804,469.43 and 216,463.27 is: 324,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,319.85 : 804,469.43 = 216,463.27 : x
  2. Step 2: Convert to fraction form
    536,319.85/804,469.43 = 216,463.27/x
  3. Step 3: Cross multiply
    536,319.85x = 804,469.43 × 216,463.27
  4. Step 4: Simplify right side
    536,319.85x = 174,138,082,350.52
  5. Step 5: Solve for x
    x = 174,138,082,350.52/536,319.85
  6. Step 6: Final answer
    x = 324,690.73

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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.