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Finding the Fourth Proportional to 352,550.70, 486,520.29 and 191,405.66

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Solution

The fourth proportional to 352,550.70, 486,520.29 and 191,405.66 is: 264,139.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,550.70 : 486,520.29 = 191,405.66 : x
  2. Step 2: Convert to fraction form
    352,550.70/486,520.29 = 191,405.66/x
  3. Step 3: Cross multiply
    352,550.70x = 486,520.29 × 191,405.66
  4. Step 4: Simplify right side
    352,550.70x = 93,122,734,778.24
  5. Step 5: Solve for x
    x = 93,122,734,778.24/352,550.70
  6. Step 6: Final answer
    x = 264,139.98

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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.