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Finding the Fourth Proportional to 352,364.06, 486,262.72 and 191,219.11

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Solution

The fourth proportional to 352,364.06, 486,262.72 and 191,219.11 is: 263,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,364.06 : 486,262.72 = 191,219.11 : x
  2. Step 2: Convert to fraction form
    352,364.06/486,262.72 = 191,219.11/x
  3. Step 3: Cross multiply
    352,364.06x = 486,262.72 × 191,219.11
  4. Step 4: Simplify right side
    352,364.06x = 92,982,724,544.58
  5. Step 5: Solve for x
    x = 92,982,724,544.58/352,364.06
  6. Step 6: Final answer
    x = 263,882.54

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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.