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Finding the Fourth Proportional to 352,453.73, 486,373.02 and 191,305.31

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Solution

The fourth proportional to 352,453.73, 486,373.02 and 191,305.31 is: 263,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,453.73 : 486,373.02 = 191,305.31 : x
  2. Step 2: Convert to fraction form
    352,453.73/486,373.02 = 191,305.31/x
  3. Step 3: Cross multiply
    352,453.73x = 486,373.02 × 191,305.31
  4. Step 4: Simplify right side
    352,453.73x = 93,045,741,366.74
  5. Step 5: Solve for x
    x = 93,045,741,366.74/352,453.73
  6. Step 6: Final answer
    x = 263,994.20

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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.