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Finding the Fourth Proportional to 450,660.34, 675,972.84 and 113,696.80

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Solution

The fourth proportional to 450,660.34, 675,972.84 and 113,696.80 is: 170,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,660.34 : 675,972.84 = 113,696.80 : x
  2. Step 2: Convert to fraction form
    450,660.34/675,972.84 = 113,696.80/x
  3. Step 3: Cross multiply
    450,660.34x = 675,972.84 × 113,696.80
  4. Step 4: Simplify right side
    450,660.34x = 76,855,947,531.34
  5. Step 5: Solve for x
    x = 76,855,947,531.34/450,660.34
  6. Step 6: Final answer
    x = 170,540.74

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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.