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Finding the Fourth Proportional to 268,967.33, 403,480.22 and 100,568.33

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Solution

The fourth proportional to 268,967.33, 403,480.22 and 100,568.33 is: 150,863.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,967.33 : 403,480.22 = 100,568.33 : x
  2. Step 2: Convert to fraction form
    268,967.33/403,480.22 = 100,568.33/x
  3. Step 3: Cross multiply
    268,967.33x = 403,480.22 × 100,568.33
  4. Step 4: Simplify right side
    268,967.33x = 40,577,329,393.19
  5. Step 5: Solve for x
    x = 40,577,329,393.19/268,967.33
  6. Step 6: Final answer
    x = 150,863.42

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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.