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Finding the Fourth Proportional to 450,479.80, 675,520.44 and 134,877.88

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Solution

The fourth proportional to 450,479.80, 675,520.44 and 134,877.88 is: 202,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,479.80 : 675,520.44 = 134,877.88 : x
  2. Step 2: Convert to fraction form
    450,479.80/675,520.44 = 134,877.88/x
  3. Step 3: Cross multiply
    450,479.80x = 675,520.44 × 134,877.88
  4. Step 4: Simplify right side
    450,479.80x = 91,112,764,843.87
  5. Step 5: Solve for x
    x = 91,112,764,843.87/450,479.80
  6. Step 6: Final answer
    x = 202,257.16

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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.