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Finding the Fourth Proportional to 259,885.62, 389,965.05 and 184,470.84

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Solution

The fourth proportional to 259,885.62, 389,965.05 and 184,470.84 is: 276,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,885.62 : 389,965.05 = 184,470.84 : x
  2. Step 2: Convert to fraction form
    259,885.62/389,965.05 = 184,470.84/x
  3. Step 3: Cross multiply
    259,885.62x = 389,965.05 × 184,470.84
  4. Step 4: Simplify right side
    259,885.62x = 71,937,180,344.14
  5. Step 5: Solve for x
    x = 71,937,180,344.14/259,885.62
  6. Step 6: Final answer
    x = 276,803.23

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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.