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Finding the Fourth Proportional to 416,563.11, 574,859.20 and 225,577.26

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Solution

The fourth proportional to 416,563.11, 574,859.20 and 225,577.26 is: 311,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,563.11 : 574,859.20 = 225,577.26 : x
  2. Step 2: Convert to fraction form
    416,563.11/574,859.20 = 225,577.26/x
  3. Step 3: Cross multiply
    416,563.11x = 574,859.20 × 225,577.26
  4. Step 4: Simplify right side
    416,563.11x = 129,675,163,221.79
  5. Step 5: Solve for x
    x = 129,675,163,221.79/416,563.11
  6. Step 6: Final answer
    x = 311,297.76

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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.