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Finding the Fourth Proportional to 356,188.59, 491,531.49 and 195,050.43

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Solution

The fourth proportional to 356,188.59, 491,531.49 and 195,050.43 is: 269,164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,188.59 : 491,531.49 = 195,050.43 : x
  2. Step 2: Convert to fraction form
    356,188.59/491,531.49 = 195,050.43/x
  3. Step 3: Cross multiply
    356,188.59x = 491,531.49 × 195,050.43
  4. Step 4: Simplify right side
    356,188.59x = 95,873,428,483.04
  5. Step 5: Solve for x
    x = 95,873,428,483.04/356,188.59
  6. Step 6: Final answer
    x = 269,164.79

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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.