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Finding the Fourth Proportional to 351,991.84, 485,755.04 and 190,852.32

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Solution

The fourth proportional to 351,991.84, 485,755.04 and 190,852.32 is: 263,379.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,991.84 : 485,755.04 = 190,852.32 : x
  2. Step 2: Convert to fraction form
    351,991.84/485,755.04 = 190,852.32/x
  3. Step 3: Cross multiply
    351,991.84x = 485,755.04 × 190,852.32
  4. Step 4: Simplify right side
    351,991.84x = 92,707,476,335.69
  5. Step 5: Solve for x
    x = 92,707,476,335.69/351,991.84
  6. Step 6: Final answer
    x = 263,379.62

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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.