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Finding the Fourth Proportional to 500,788.37, 691,086.84 and 271,351.92

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Solution

The fourth proportional to 500,788.37, 691,086.84 and 271,351.92 is: 374,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,788.37 : 691,086.84 = 271,351.92 : x
  2. Step 2: Convert to fraction form
    500,788.37/691,086.84 = 271,351.92/x
  3. Step 3: Cross multiply
    500,788.37x = 691,086.84 × 271,351.92
  4. Step 4: Simplify right side
    500,788.37x = 187,527,742,494.74
  5. Step 5: Solve for x
    x = 187,527,742,494.74/500,788.37
  6. Step 6: Final answer
    x = 374,465.05

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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.