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Finding the Fourth Proportional to 404,473.56, 558,375.60 and 251,561.04

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Solution

The fourth proportional to 404,473.56, 558,375.60 and 251,561.04 is: 347,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,473.56 : 558,375.60 = 251,561.04 : x
  2. Step 2: Convert to fraction form
    404,473.56/558,375.60 = 251,561.04/x
  3. Step 3: Cross multiply
    404,473.56x = 558,375.60 × 251,561.04
  4. Step 4: Simplify right side
    404,473.56x = 140,465,546,646.62
  5. Step 5: Solve for x
    x = 140,465,546,646.62/404,473.56
  6. Step 6: Final answer
    x = 347,279.92

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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.