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Finding the Fourth Proportional to 271,591.65, 374,944.95 and 185,679.81

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Solution

The fourth proportional to 271,591.65, 374,944.95 and 185,679.81 is: 256,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,591.65 : 374,944.95 = 185,679.81 : x
  2. Step 2: Convert to fraction form
    271,591.65/374,944.95 = 185,679.81/x
  3. Step 3: Cross multiply
    271,591.65x = 374,944.95 × 185,679.81
  4. Step 4: Simplify right side
    271,591.65x = 69,619,707,076.46
  5. Step 5: Solve for x
    x = 69,619,707,076.46/271,591.65
  6. Step 6: Final answer
    x = 256,339.64

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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.