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Finding the Fourth Proportional to 352,445.38, 486,361.60 and 191,297.03

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Solution

The fourth proportional to 352,445.38, 486,361.60 and 191,297.03 is: 263,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,445.38 : 486,361.60 = 191,297.03 : x
  2. Step 2: Convert to fraction form
    352,445.38/486,361.60 = 191,297.03/x
  3. Step 3: Cross multiply
    352,445.38x = 486,361.60 × 191,297.03
  4. Step 4: Simplify right side
    352,445.38x = 93,039,526,676.00
  5. Step 5: Solve for x
    x = 93,039,526,676.00/352,445.38
  6. Step 6: Final answer
    x = 263,982.83

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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.