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Finding the Fourth Proportional to 273,902.10, 411,467.55 and 263,457.30

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Solution

The fourth proportional to 273,902.10, 411,467.55 and 263,457.30 is: 395,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,902.10 : 411,467.55 = 263,457.30 : x
  2. Step 2: Convert to fraction form
    273,902.10/411,467.55 = 263,457.30/x
  3. Step 3: Cross multiply
    273,902.10x = 411,467.55 × 263,457.30
  4. Step 4: Simplify right side
    273,902.10x = 108,404,129,760.62
  5. Step 5: Solve for x
    x = 108,404,129,760.62/273,902.10
  6. Step 6: Final answer
    x = 395,776.92

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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.