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Finding the Fourth Proportional to 479,536, 661,759.68 and 267,568

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Solution

The fourth proportional to 479,536, 661,759.68 and 267,568 is: 369,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,536 : 661,759.68 = 267,568 : x
  2. Step 2: Convert to fraction form
    479,536/661,759.68 = 267,568/x
  3. Step 3: Cross multiply
    479,536x = 661,759.68 × 267,568
  4. Step 4: Simplify right side
    479,536x = 177,065,714,058.24
  5. Step 5: Solve for x
    x = 177,065,714,058.24/479,536
  6. Step 6: Final answer
    x = 369,243.84

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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.