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Finding the Fourth Proportional to 361,763.78, 540,010.90 and 335,082.38

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Solution

The fourth proportional to 361,763.78, 540,010.90 and 335,082.38 is: 500,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,763.78 : 540,010.90 = 335,082.38 : x
  2. Step 2: Convert to fraction form
    361,763.78/540,010.90 = 335,082.38/x
  3. Step 3: Cross multiply
    361,763.78x = 540,010.90 × 335,082.38
  4. Step 4: Simplify right side
    361,763.78x = 180,948,135,922.53
  5. Step 5: Solve for x
    x = 180,948,135,922.53/361,763.78
  6. Step 6: Final answer
    x = 500,183.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.