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Finding the Fourth Proportional to 352,369.28, 486,273.17 and 191,225.72

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Solution

The fourth proportional to 352,369.28, 486,273.17 and 191,225.72 is: 263,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,369.28 : 486,273.17 = 191,225.72 : x
  2. Step 2: Convert to fraction form
    352,369.28/486,273.17 = 191,225.72/x
  3. Step 3: Cross multiply
    352,369.28x = 486,273.17 × 191,225.72
  4. Step 4: Simplify right side
    352,369.28x = 92,987,933,662.44
  5. Step 5: Solve for x
    x = 92,987,933,662.44/352,369.28
  6. Step 6: Final answer
    x = 263,893.42

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1.5x scale

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.