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Finding the Fourth Proportional to 475,045.36, 655,555.82 and 271,160.86

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Solution

The fourth proportional to 475,045.36, 655,555.82 and 271,160.86 is: 374,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,045.36 : 655,555.82 = 271,160.86 : x
  2. Step 2: Convert to fraction form
    475,045.36/655,555.82 = 271,160.86/x
  3. Step 3: Cross multiply
    475,045.36x = 655,555.82 × 271,160.86
  4. Step 4: Simplify right side
    475,045.36x = 177,761,079,929.21
  5. Step 5: Solve for x
    x = 177,761,079,929.21/475,045.36
  6. Step 6: Final answer
    x = 374,198.12

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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.