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Finding the Fourth Proportional to 475,798.29, 656,540.94 and 271,862.41

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Solution

The fourth proportional to 475,798.29, 656,540.94 and 271,862.41 is: 375,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,798.29 : 656,540.94 = 271,862.41 : x
  2. Step 2: Convert to fraction form
    475,798.29/656,540.94 = 271,862.41/x
  3. Step 3: Cross multiply
    475,798.29x = 656,540.94 × 271,862.41
  4. Step 4: Simplify right side
    475,798.29x = 178,488,802,212.07
  5. Step 5: Solve for x
    x = 178,488,802,212.07/475,798.29
  6. Step 6: Final answer
    x = 375,135.44

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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.