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Finding the Fourth Proportional to 370,453.89, 511,249.99 and 227,194.46

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Solution

The fourth proportional to 370,453.89, 511,249.99 and 227,194.46 is: 313,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,453.89 : 511,249.99 = 227,194.46 : x
  2. Step 2: Convert to fraction form
    370,453.89/511,249.99 = 227,194.46/x
  3. Step 3: Cross multiply
    370,453.89x = 511,249.99 × 227,194.46
  4. Step 4: Simplify right side
    370,453.89x = 116,153,165,403.06
  5. Step 5: Solve for x
    x = 116,153,165,403.06/370,453.89
  6. Step 6: Final answer
    x = 313,542.84

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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.