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Finding the Fourth Proportional to 271,197.84, 374,264.16 and 156,511.56

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Solution

The fourth proportional to 271,197.84, 374,264.16 and 156,511.56 is: 215,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,197.84 : 374,264.16 = 156,511.56 : x
  2. Step 2: Convert to fraction form
    271,197.84/374,264.16 = 156,511.56/x
  3. Step 3: Cross multiply
    271,197.84x = 374,264.16 × 156,511.56
  4. Step 4: Simplify right side
    271,197.84x = 58,576,667,533.69
  5. Step 5: Solve for x
    x = 58,576,667,533.69/271,197.84
  6. Step 6: Final answer
    x = 215,992.38

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1.5x scale

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.