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Finding the Fourth Proportional to 352,539, 486,503.82 and 193,563

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Solution

The fourth proportional to 352,539, 486,503.82 and 193,563 is: 267,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,539 : 486,503.82 = 193,563 : x
  2. Step 2: Convert to fraction form
    352,539/486,503.82 = 193,563/x
  3. Step 3: Cross multiply
    352,539x = 486,503.82 × 193,563
  4. Step 4: Simplify right side
    352,539x = 94,169,138,910.66
  5. Step 5: Solve for x
    x = 94,169,138,910.66/352,539
  6. Step 6: Final answer
    x = 267,116.94

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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.