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Finding the Fourth Proportional to 479,573.29, 661,811.21 and 264,713.41

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Solution

The fourth proportional to 479,573.29, 661,811.21 and 264,713.41 is: 365,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,573.29 : 661,811.21 = 264,713.41 : x
  2. Step 2: Convert to fraction form
    479,573.29/661,811.21 = 264,713.41/x
  3. Step 3: Cross multiply
    479,573.29x = 661,811.21 × 264,713.41
  4. Step 4: Simplify right side
    479,573.29x = 175,190,302,175.33
  5. Step 5: Solve for x
    x = 175,190,302,175.33/479,573.29
  6. Step 6: Final answer
    x = 365,304.54

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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.