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Finding the Fourth Proportional to 416,291.98, 574,481.92 and 225,305.50

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Solution

The fourth proportional to 416,291.98, 574,481.92 and 225,305.50 is: 310,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,291.98 : 574,481.92 = 225,305.50 : x
  2. Step 2: Convert to fraction form
    416,291.98/574,481.92 = 225,305.50/x
  3. Step 3: Cross multiply
    416,291.98x = 574,481.92 × 225,305.50
  4. Step 4: Simplify right side
    416,291.98x = 129,433,936,226.56
  5. Step 5: Solve for x
    x = 129,433,936,226.56/416,291.98
  6. Step 6: Final answer
    x = 310,921.04

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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.