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Finding the Fourth Proportional to 416,234.15, 574,404.56 and 225,247.49

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Solution

The fourth proportional to 416,234.15, 574,404.56 and 225,247.49 is: 310,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,234.15 : 574,404.56 = 225,247.49 : x
  2. Step 2: Convert to fraction form
    416,234.15/574,404.56 = 225,247.49/x
  3. Step 3: Cross multiply
    416,234.15x = 574,404.56 × 225,247.49
  4. Step 4: Simplify right side
    416,234.15x = 129,383,181,386.29
  5. Step 5: Solve for x
    x = 129,383,181,386.29/416,234.15
  6. Step 6: Final answer
    x = 310,842.31

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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.