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Finding the Fourth Proportional to 603,687.21, 905,661.50 and 182,994.81

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Solution

The fourth proportional to 603,687.21, 905,661.50 and 182,994.81 is: 274,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,687.21 : 905,661.50 = 182,994.81 : x
  2. Step 2: Convert to fraction form
    603,687.21/905,661.50 = 182,994.81/x
  3. Step 3: Cross multiply
    603,687.21x = 905,661.50 × 182,994.81
  4. Step 4: Simplify right side
    603,687.21x = 165,731,353,201.84
  5. Step 5: Solve for x
    x = 165,731,353,201.84/603,687.21
  6. Step 6: Final answer
    x = 274,531.83

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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.