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Finding the Fourth Proportional to 452,266.67, 678,218.97 and 199,367.43

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Solution

The fourth proportional to 452,266.67, 678,218.97 and 199,367.43 is: 298,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,266.67 : 678,218.97 = 199,367.43 : x
  2. Step 2: Convert to fraction form
    452,266.67/678,218.97 = 199,367.43/x
  3. Step 3: Cross multiply
    452,266.67x = 678,218.97 × 199,367.43
  4. Step 4: Simplify right side
    452,266.67x = 135,214,771,230.45
  5. Step 5: Solve for x
    x = 135,214,771,230.45/452,266.67
  6. Step 6: Final answer
    x = 298,971.34

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1.5x scale

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.