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Finding the Fourth Proportional to 271,556.70, 380,966.70 and 271,556.70

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Solution

The fourth proportional to 271,556.70, 380,966.70 and 271,556.70 is: 380,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,556.70 : 380,966.70 = 271,556.70 : x
  2. Step 2: Convert to fraction form
    271,556.70/380,966.70 = 271,556.70/x
  3. Step 3: Cross multiply
    271,556.70x = 380,966.70 × 271,556.70
  4. Step 4: Simplify right side
    271,556.70x = 103,454,059,861.89
  5. Step 5: Solve for x
    x = 103,454,059,861.89/271,556.70
  6. Step 6: Final answer
    x = 380,966.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.