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Finding the Fourth Proportional to 479,679.52, 661,958.58 and 264,819.94

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Solution

The fourth proportional to 479,679.52, 661,958.58 and 264,819.94 is: 365,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,679.52 : 661,958.58 = 264,819.94 : x
  2. Step 2: Convert to fraction form
    479,679.52/661,958.58 = 264,819.94/x
  3. Step 3: Cross multiply
    479,679.52x = 661,958.58 × 264,819.94
  4. Step 4: Simplify right side
    479,679.52x = 175,299,831,438.09
  5. Step 5: Solve for x
    x = 175,299,831,438.09/479,679.52
  6. Step 6: Final answer
    x = 365,451.98

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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.