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Finding the Fourth Proportional to 479,659.27, 661,912.44 and 264,794.72

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Solution

The fourth proportional to 479,659.27, 661,912.44 and 264,794.72 is: 365,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,659.27 : 661,912.44 = 264,794.72 : x
  2. Step 2: Convert to fraction form
    479,659.27/661,912.44 = 264,794.72/x
  3. Step 3: Cross multiply
    479,659.27x = 661,912.44 × 264,794.72
  4. Step 4: Simplify right side
    479,659.27x = 175,270,920,124.50
  5. Step 5: Solve for x
    x = 175,270,920,124.50/479,659.27
  6. Step 6: Final answer
    x = 365,407.14

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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.