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Finding the Fourth Proportional to 275,513.26, 413,269.90 and 109,301.26

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Solution

The fourth proportional to 275,513.26, 413,269.90 and 109,301.26 is: 163,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,513.26 : 413,269.90 = 109,301.26 : x
  2. Step 2: Convert to fraction form
    275,513.26/413,269.90 = 109,301.26/x
  3. Step 3: Cross multiply
    275,513.26x = 413,269.90 × 109,301.26
  4. Step 4: Simplify right side
    275,513.26x = 45,170,920,790.07
  5. Step 5: Solve for x
    x = 45,170,920,790.07/275,513.26
  6. Step 6: Final answer
    x = 163,951.89

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Similar ratio
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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.