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Finding the Fourth Proportional to 275,672,899.80, 380,423,674.98 and 150,226,185.60

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Solution

The fourth proportional to 275,672,899.80, 380,423,674.98 and 150,226,185.60 is: 207,309,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,672,899.80 : 380,423,674.98 = 150,226,185.60 : x
  2. Step 2: Convert to fraction form
    275,672,899.80/380,423,674.98 = 150,226,185.60/x
  3. Step 3: Cross multiply
    275,672,899.80x = 380,423,674.98 × 150,226,185.60
  4. Step 4: Simplify right side
    275,672,899.80x = 57,149,597,604,179,560
  5. Step 5: Solve for x
    x = 57,149,597,604,179,560/275,672,899.80
  6. Step 6: Final answer
    x = 207,309,451.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.