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Finding the Fourth Proportional to 308,051.80, 461,732.10 and 158,234.20

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Solution

The fourth proportional to 308,051.80, 461,732.10 and 158,234.20 is: 237,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,051.80 : 461,732.10 = 158,234.20 : x
  2. Step 2: Convert to fraction form
    308,051.80/461,732.10 = 158,234.20/x
  3. Step 3: Cross multiply
    308,051.80x = 461,732.10 × 158,234.20
  4. Step 4: Simplify right side
    308,051.80x = 73,061,809,457.82
  5. Step 5: Solve for x
    x = 73,061,809,457.82/308,051.80
  6. Step 6: Final answer
    x = 237,173.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.