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Finding the Fourth Proportional to 271,711.40, 407,567.10 and 201,727.40

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Solution

The fourth proportional to 271,711.40, 407,567.10 and 201,727.40 is: 302,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,711.40 : 407,567.10 = 201,727.40 : x
  2. Step 2: Convert to fraction form
    271,711.40/407,567.10 = 201,727.40/x
  3. Step 3: Cross multiply
    271,711.40x = 407,567.10 × 201,727.40
  4. Step 4: Simplify right side
    271,711.40x = 82,217,451,408.54
  5. Step 5: Solve for x
    x = 82,217,451,408.54/271,711.40
  6. Step 6: Final answer
    x = 302,591.10

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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.