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Finding the Fourth Proportional to 352,370.91, 486,272.16 and 191,225.94

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Solution

The fourth proportional to 352,370.91, 486,272.16 and 191,225.94 is: 263,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,370.91 : 486,272.16 = 191,225.94 : x
  2. Step 2: Convert to fraction form
    352,370.91/486,272.16 = 191,225.94/x
  3. Step 3: Cross multiply
    352,370.91x = 486,272.16 × 191,225.94
  4. Step 4: Simplify right side
    352,370.91x = 92,987,850,435.95
  5. Step 5: Solve for x
    x = 92,987,850,435.95/352,370.91
  6. Step 6: Final answer
    x = 263,891.96

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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.