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Finding the Fourth Proportional to 275,736.30, 413,701.65 and 266,016.30

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Solution

The fourth proportional to 275,736.30, 413,701.65 and 266,016.30 is: 399,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,736.30 : 413,701.65 = 266,016.30 : x
  2. Step 2: Convert to fraction form
    275,736.30/413,701.65 = 266,016.30/x
  3. Step 3: Cross multiply
    275,736.30x = 413,701.65 × 266,016.30
  4. Step 4: Simplify right side
    275,736.30x = 110,051,382,236.90
  5. Step 5: Solve for x
    x = 110,051,382,236.90/275,736.30
  6. Step 6: Final answer
    x = 399,118.22

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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.