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Finding the Fourth Proportional to 404,261.20, 606,343.20 and 167,579.20

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Solution

The fourth proportional to 404,261.20, 606,343.20 and 167,579.20 is: 251,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,261.20 : 606,343.20 = 167,579.20 : x
  2. Step 2: Convert to fraction form
    404,261.20/606,343.20 = 167,579.20/x
  3. Step 3: Cross multiply
    404,261.20x = 606,343.20 × 167,579.20
  4. Step 4: Simplify right side
    404,261.20x = 101,610,508,381.44
  5. Step 5: Solve for x
    x = 101,610,508,381.44/404,261.20
  6. Step 6: Final answer
    x = 251,348.65

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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.