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Finding the Fourth Proportional to 448,568.80, 672,982.80 and 133,033.30

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Solution

The fourth proportional to 448,568.80, 672,982.80 and 133,033.30 is: 199,588.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,568.80 : 672,982.80 = 133,033.30 : x
  2. Step 2: Convert to fraction form
    448,568.80/672,982.80 = 133,033.30/x
  3. Step 3: Cross multiply
    448,568.80x = 672,982.80 × 133,033.30
  4. Step 4: Simplify right side
    448,568.80x = 89,529,122,727.24
  5. Step 5: Solve for x
    x = 89,529,122,727.24/448,568.80
  6. Step 6: Final answer
    x = 199,588.39

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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.