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Finding the Fourth Proportional to 271,463.32, 407,194.71 and 185,989.96

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Solution

The fourth proportional to 271,463.32, 407,194.71 and 185,989.96 is: 278,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,463.32 : 407,194.71 = 185,989.96 : x
  2. Step 2: Convert to fraction form
    271,463.32/407,194.71 = 185,989.96/x
  3. Step 3: Cross multiply
    271,463.32x = 407,194.71 × 185,989.96
  4. Step 4: Simplify right side
    271,463.32x = 75,734,127,825.11
  5. Step 5: Solve for x
    x = 75,734,127,825.11/271,463.32
  6. Step 6: Final answer
    x = 278,984.76

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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.