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Finding the Fourth Proportional to 328,523.22, 453,361.32 and 177,620.22

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Solution

The fourth proportional to 328,523.22, 453,361.32 and 177,620.22 is: 245,115.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,523.22 : 453,361.32 = 177,620.22 : x
  2. Step 2: Convert to fraction form
    328,523.22/453,361.32 = 177,620.22/x
  3. Step 3: Cross multiply
    328,523.22x = 453,361.32 × 177,620.22
  4. Step 4: Simplify right side
    328,523.22x = 80,526,137,397.89
  5. Step 5: Solve for x
    x = 80,526,137,397.89/328,523.22
  6. Step 6: Final answer
    x = 245,115.51

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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.