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Finding the Fourth Proportional to 271,325.79, 374,353.11 and 213,786.77

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Solution

The fourth proportional to 271,325.79, 374,353.11 and 213,786.77 is: 294,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,325.79 : 374,353.11 = 213,786.77 : x
  2. Step 2: Convert to fraction form
    271,325.79/374,353.11 = 213,786.77/x
  3. Step 3: Cross multiply
    271,325.79x = 374,353.11 × 213,786.77
  4. Step 4: Simplify right side
    271,325.79x = 80,031,740,354.59
  5. Step 5: Solve for x
    x = 80,031,740,354.59/271,325.79
  6. Step 6: Final answer
    x = 294,965.47

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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.