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Finding the Fourth Proportional to 493,919.19, 681,608.39 and 267,564.69

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Solution

The fourth proportional to 493,919.19, 681,608.39 and 267,564.69 is: 369,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,919.19 : 681,608.39 = 267,564.69 : x
  2. Step 2: Convert to fraction form
    493,919.19/681,608.39 = 267,564.69/x
  3. Step 3: Cross multiply
    493,919.19x = 681,608.39 × 267,564.69
  4. Step 4: Simplify right side
    493,919.19x = 182,374,336,233.93
  5. Step 5: Solve for x
    x = 182,374,336,233.93/493,919.19
  6. Step 6: Final answer
    x = 369,239.22

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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.