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Finding the Fourth Proportional to 273,902.60, 411,468.30 and 263,457.80

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Solution

The fourth proportional to 273,902.60, 411,468.30 and 263,457.80 is: 395,777.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,902.60 : 411,468.30 = 263,457.80 : x
  2. Step 2: Convert to fraction form
    273,902.60/411,468.30 = 263,457.80/x
  3. Step 3: Cross multiply
    273,902.60x = 411,468.30 × 263,457.80
  4. Step 4: Simplify right side
    273,902.60x = 108,404,533,087.74
  5. Step 5: Solve for x
    x = 108,404,533,087.74/273,902.60
  6. Step 6: Final answer
    x = 395,777.67

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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.