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Finding the Fourth Proportional to 416,234.64, 574,405.25 and 225,247.98

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Solution

The fourth proportional to 416,234.64, 574,405.25 and 225,247.98 is: 310,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,234.64 : 574,405.25 = 225,247.98 : x
  2. Step 2: Convert to fraction form
    416,234.64/574,405.25 = 225,247.98/x
  3. Step 3: Cross multiply
    416,234.64x = 574,405.25 × 225,247.98
  4. Step 4: Simplify right side
    416,234.64x = 129,383,622,263.90
  5. Step 5: Solve for x
    x = 129,383,622,263.90/416,234.64
  6. Step 6: Final answer
    x = 310,843.00

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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.