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Finding the Fourth Proportional to 375,782.42, 518,579.19 and 206,027.42

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Solution

The fourth proportional to 375,782.42, 518,579.19 and 206,027.42 is: 284,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,782.42 : 518,579.19 = 206,027.42 : x
  2. Step 2: Convert to fraction form
    375,782.42/518,579.19 = 206,027.42/x
  3. Step 3: Cross multiply
    375,782.42x = 518,579.19 × 206,027.42
  4. Step 4: Simplify right side
    375,782.42x = 106,841,532,581.39
  5. Step 5: Solve for x
    x = 106,841,532,581.39/375,782.42
  6. Step 6: Final answer
    x = 284,317.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.