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Finding the Fourth Proportional to 263,457.58, 395,186.62 and 123,314.62

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Solution

The fourth proportional to 263,457.58, 395,186.62 and 123,314.62 is: 184,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,457.58 : 395,186.62 = 123,314.62 : x
  2. Step 2: Convert to fraction form
    263,457.58/395,186.62 = 123,314.62/x
  3. Step 3: Cross multiply
    263,457.58x = 395,186.62 × 123,314.62
  4. Step 4: Simplify right side
    263,457.58x = 48,732,287,874.38
  5. Step 5: Solve for x
    x = 48,732,287,874.38/263,457.58
  6. Step 6: Final answer
    x = 184,972.05

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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.