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Finding the Fourth Proportional to 501,292.33, 691,788.78 and 271,850.05

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Solution

The fourth proportional to 501,292.33, 691,788.78 and 271,850.05 is: 375,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,292.33 : 691,788.78 = 271,850.05 : x
  2. Step 2: Convert to fraction form
    501,292.33/691,788.78 = 271,850.05/x
  3. Step 3: Cross multiply
    501,292.33x = 691,788.78 × 271,850.05
  4. Step 4: Simplify right side
    501,292.33x = 188,062,814,432.44
  5. Step 5: Solve for x
    x = 188,062,814,432.44/501,292.33
  6. Step 6: Final answer
    x = 375,155.98

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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.