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Finding the Fourth Proportional to 352,364.57, 486,263.41 and 191,219.61

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Solution

The fourth proportional to 352,364.57, 486,263.41 and 191,219.61 is: 263,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,364.57 : 486,263.41 = 191,219.61 : x
  2. Step 2: Convert to fraction form
    352,364.57/486,263.41 = 191,219.61/x
  3. Step 3: Cross multiply
    352,364.57x = 486,263.41 × 191,219.61
  4. Step 4: Simplify right side
    352,364.57x = 92,983,099,617.47
  5. Step 5: Solve for x
    x = 92,983,099,617.47/352,364.57
  6. Step 6: Final answer
    x = 263,883.23

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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.