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Finding the Fourth Proportional to 275,871.89, 413,799.64 and 76,204.26

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Solution

The fourth proportional to 275,871.89, 413,799.64 and 76,204.26 is: 114,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,871.89 : 413,799.64 = 76,204.26 : x
  2. Step 2: Convert to fraction form
    275,871.89/413,799.64 = 76,204.26/x
  3. Step 3: Cross multiply
    275,871.89x = 413,799.64 × 76,204.26
  4. Step 4: Simplify right side
    275,871.89x = 31,533,295,163.96
  5. Step 5: Solve for x
    x = 31,533,295,163.96/275,871.89
  6. Step 6: Final answer
    x = 114,304.12

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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.