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Finding the Fourth Proportional to 352,512.87, 486,473.68 and 191,367.92

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Solution

The fourth proportional to 352,512.87, 486,473.68 and 191,367.92 is: 264,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512.87 : 486,473.68 = 191,367.92 : x
  2. Step 2: Convert to fraction form
    352,512.87/486,473.68 = 191,367.92/x
  3. Step 3: Cross multiply
    352,512.87x = 486,473.68 × 191,367.92
  4. Step 4: Simplify right side
    352,512.87x = 93,095,456,276.35
  5. Step 5: Solve for x
    x = 93,095,456,276.35/352,512.87
  6. Step 6: Final answer
    x = 264,090.94

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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.