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Finding the Fourth Proportional to 352,367.57, 486,267.55 and 191,222.61

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Solution

The fourth proportional to 352,367.57, 486,267.55 and 191,222.61 is: 263,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,367.57 : 486,267.55 = 191,222.61 : x
  2. Step 2: Convert to fraction form
    352,367.57/486,267.55 = 191,222.61/x
  3. Step 3: Cross multiply
    352,367.57x = 486,267.55 × 191,222.61
  4. Step 4: Simplify right side
    352,367.57x = 92,985,350,069.31
  5. Step 5: Solve for x
    x = 92,985,350,069.31/352,367.57
  6. Step 6: Final answer
    x = 263,887.37

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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.